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You poured your first small batch of agar, sealed the dishes, and two days later green spots show up on half your plates. For home mushroom growers, that moment usually points to dish choice, lid fit, and sterile handling rather than your culture.

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We compared clarity, lid design, pack size, and agar compatibility across ten options to help you pick the right 90mm dish for 5 to 20 plates at a time. If you are still refining your clean work area, pair this guide with a still air box setup for budget labs for steadier results in 2026.

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Quick Picks at a Glance

Best Seller
Huanyu 90mm Glass Petri Dishes with Lids, High Borosilicate Heat Resistant Lab Dishes for Culture and Science
Huanyu

Prime Huanyu 90mm Glass Petri Dishes with Lids

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$22.99
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Editor's Pick
Kigley 400 Pack Sterile Petri Dishes with Lids 60mm x 15mm, Clear Plastic Culture Dishes for Lab, Mycology and Science Projects
Kigley

Prime Kigley 400 Pack Sterile Petri Dishes with Lids

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Top Rated
Vabiooth 10 Pack Sterile Petri Dishes 90mm x 15mm, Thick Clear Plastic with 3 Vents for Lab Experiments
Vabiooth

Prime Vabiooth 10 Pack Sterile Petri Dishes 90mm x 15mm

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Bekith 50 Pack 90mm Sterile Petri Dishes with Lids Plus 50 3ml Transfer Pipettes for Lab and School Projects
Bekith

Prime Bekith 50 Pack 90mm Sterile Petri Dishes with Lids

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1
Prime Best Seller

Huanyu 90mm Glass Petri Dishes with Lids

Huanyu
In Stock
9.8 /10
FungiPop Score
FungiPop Score is calculated from a base score plus a scaling bonus tied to the product's own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
The Huanyu 90mm Glass Petri Dish set is made from high borosilicate glass with 400C heat resistance and high chemical stability. It is a solid choice for students, hobbyists and labs needing reusable, easy to observe culture dishes.
Pros & Cons

Pros

  • High clarity borosilicate glass for easy viewing
  • Withstands high temperature sterilization up to 400C
  • Resistant to acids and alkalis for versatile use
  • Flat base and smooth edges with quality workmanship
  • Reusable and more sustainable than disposable plastic dishes

Cons

  • Not suitable for freezing or low temperature storage
  • Lid has intentional gap, not airtight for sealed cultures
  • Dishes only, dropper and other accessories not included
Detailed Review

The Huanyu 90mm Glass Petri Dish set is a classic lab essential for cell culture, agar plates, sample observation and science education. It is ideal for school labs, home science users and professional settings that prefer reusable glass over plastic.

Made from high borosilicate glass, it offers excellent light transmittance for clear viewing of colonies and specimens. In real world use, it handles high heat sterilization well and resists acids and alkalis, making prep and cleanup simple.

Each bottom dish measures 90mm in diameter with a 96mm lid and sturdy 2mm thick walls. The base is flat and even for uniform media distribution, while the edges are smooth and well finished for comfortable handling.

The lid is designed with a small gap for easy lifting and airflow, so it is not airtight. It is also rated for heat up to 400C but not for freezing, which limits cold storage applications.

For routine culture work, teaching and general sample handling, this set offers strong clarity, durability and reusability. If you need heat resistant, chemical stable dishes for everyday lab use, it is an easy recommendation.

Specifications

Bottom Dish: 90mm diameter x 18mm height. Lid: 96mm outer diameter x 17mm height. Glass Thickness: 2mm.

Material: High borosilicate glass with high strength, high light transmittance and low expansion rate.

Temperature Performance: Heat resistant up to 400C for sterilization. Not rated for low temperatures and cannot be frozen.

Chemical Performance: Acid and alkali resistant with high chemical stability for culture and sample work.

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Prime Editor's Pick

Kigley 400 Pack Sterile Petri Dishes with Lids

Kigley
In Stock
9.8 /10
FungiPop Score
FungiPop Score is calculated from a base score plus a scaling bonus tied to the product's own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
The Kigley 400-pack offers 60mm x 15mm sterile plastic petri dishes with lids that arrive well packaged and crystal clear for agar work. They are a practical bulk choice for mycology hobbyists, classrooms, and small labs needing disposable culture dishes.
Pros & Cons

Pros

  • Large 400 count bulk supply ideal for high volume lab, classroom and hobby use
  • Clear optics for easy observation of cultures, seeds and mycelium growth
  • Convenient 10 per sleeve packaging reduces waste and contamination risk
  • Compact 60mm size saves space and media compared to larger standard dishes

Cons

  • Plastic walls are relatively thin, so they need gentle handling when sealing with parafilm
  • 60mm diameter is smaller than traditional 100mm plates, so check protocol compatibility
  • Not heat resistant and cannot be autoclaved or heated without melting
Detailed Review

The Kigley 400 Pcs Petri Dishes set provides 60mm x 15mm sterile plastic dishes with lids for general lab work, education and hobby use. It is built for teachers, students, mycology hobbyists and small labs that need a large disposable supply for agar pouring, tissue culture and seed projects.

In real world use, reviewers report clean, undamaged plates that perform well for agar work, mycology and tissue culture. The crystal clear body makes it easy to observe colony growth and label each lid with a marker, while the compact size uses less media and saves valuable incubator space.

Each dish is molded from smooth transparent plastic and packed in sleeves of 10 to help maintain sterility and convenience. The boxes are packed with care to prevent deformation in transit, and most users receive crack free plates ready to pour.

The tradeoff is wall thickness, as the plastic feels lighter than premium 90mm lab dishes and can crack if gripped too tightly during parafilm sealing. They are also single use and not heat resistant, so they cannot be heated or autoclaved, and the 60mm format is smaller than classic classroom plates.

Overall, this bulk set is an excellent fit for high volume, low cost culturing where disposability and space savings matter. If you need sterile, clear and convenient small dishes for mycology, science fairs or routine training, this Kigley pack delivers reliable performance.

Specifications

Quantity: 400 sterile plastic petri dishes with lids, packed 10 per sleeve for easy handling. Size: approx. 60mm diameter x 15mm deep, compact format for agar, culture media, seeds and samples.

Material: transparent plastic with smooth surface for good clarity in visual and microscopic examination. Design is single use only, do not heat. Package Dimensions: 16.69 x 12.28 x 7.83 inches with a shipping weight of 5.73 pounds.

3
Prime Limited Time

Tellegloww 30 Pack 90mm Petri Dishes with Lids

Tellegloww
In Stock
9.7 /10
FungiPop Score
FungiPop Score is calculated from a base score plus a scaling bonus tied to the product's own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
This 30-pack of 90 x 15mm clear plastic petri dishes includes lids and stretchable sealing tape for ready to use culturing. Best for teachers, students and home STEM users who need affordable, easy to observe dishes for agar, germination and classroom experiments.
Pros & Cons

Pros

  • Generous 30-pack with lids and sealing tape included for immediate use
  • High transparency and smooth surface support clear visual and microscopic observation
  • Standard 90mm size compatible with most agar, culturing and germination procedures
  • Lightweight plastic design is easy to handle, stack, label and store

Cons

  • Plastic construction is not suited for high heat sterilization like glass dishes
  • Tape seal requires manual stretching and cutting, which takes practice for beginners
  • Minor size variance possible due to manual measurement and manufacturing tolerance
Detailed Review

The Tellegloww 30-pack provides 90 x 15mm clear plastic petri dishes with lids plus a roll of 30mm sealing tape. It is designed for teachers, students, homeschool families and hobbyists who need an affordable, ready to use culturing kit.

The standard 90mm size suits agar pouring, bacterial observation, seed germination and sample storage. The included stretchable PE tape adheres to itself around the lid edge to help maintain a stable culture environment during incubation and transport.

Each dish is molded from thick, laboratory-grade plastic with high clarity and a smooth surface for microscope use. The dishes stack neatly, feel sturdy for single-use plastic, and are simple to label, clean and organize for classroom sets.

As plastic dishes, they are not intended for flame sterilization or high-temperature autoclaving like glass. Beginners may need a few tries to stretch and apply the sealing tape evenly without wrinkles.

For school science projects, STEM learning and basic lab prep, this kit offers strong value and convenience. If you want a complete, easy to observe dish set with sealing included, it is a practical pick.

Specifications

Brand: Tellegloww, Model: QMF-Tellegloww-2203

Dish Size: 90 x 15mm clear plastic culture dish with lid

Sealing Tape: 30mm wide stretchable PE tape with high light transmission

Package Contents: 30 x petri dishes, 1 x sealing tape roll

Package Dimensions: 11.81 x 6.3 x 3.62 inches, 1.11 pounds

4
Prime Top Rated

Vabiooth 10 Pack Sterile Petri Dishes 90mm x 15mm

Vabiooth
In Stock
9.7 /10
FungiPop Score
FungiPop Score is calculated from a base score plus a scaling bonus tied to the product's own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
The Vabiooth 10 pack includes sterile 90mm x 15mm plastic petri dishes with vented lids. Its thicker 16g construction and improved airflow make it a solid choice for students, hobbyists and labs culturing bacteria, mold or yeast.
Pros & Cons

Pros

  • Sterile and individually reliable for contamination free starting cultures
  • Thicker and sturdier than many standard 12g plastic dishes
  • Vented lids support airflow with less fogging on the lid
  • Clear plastic provides excellent visibility for observation
  • Convenient 10 pack size for teaching labs and hobby use

Cons

  • Plastic cannot be heated above 120F and is not autoclavable
  • Single use disposable design creates more plastic waste than reusable glass
  • Not intended for high heat applications or advanced clinical diagnostics
Detailed Review

The Vabiooth 10 Pack Sterile Petri Dishes are standard 90mm x 15mm culture plates designed for students, educators, hobbyists and general labs. They are ideal for classroom science experiments, home microbiology projects and routine observation of bacteria, yeast, mold and fungus.

Each dish arrives pre sterilized with ethylene oxide, so you can pour agar and start work immediately without extra prep. The triple vented lids promote steady air circulation and help reduce condensation, which supports cleaner growth and clearer viewing during incubation.

Build quality is a clear standout, as these dishes use thicker 16g plastic compared to thinner 12g alternatives. The material feels solid in hand, resists cracking during normal handling and stacking, and the crystal clear walls offer excellent visibility for colonies.

There are limits to consider, as this is disposable plastic and not heat resistant glass. You cannot heat them above 120F or autoclave them, so they are single use only and not suited for high temperature sterilization or advanced clinical work.

Overall, these Vabiooth petri dishes deliver reliable sterility, durability and ventilation for everyday culture work. If you need affordable, ready to use plates for school, home lab or basic research, this 10 pack is a practical and dependable choice.

Specifications

Brand: Vabiooth, Model: VB-PD001, Quantity: 10 pack sterile dishes with lids.

Dimensions: 90mm diameter x 15mm deep, Material: Clear thick plastic, Sterilization: Ethylene oxide.

Lid Type: 3 vented design for airflow and reduced condensation, Limit: Do not exceed 120F, Not autoclavable.

5
Prime

Qiuttnqn 30 Pack 90x15mm Sterile Plastic Petri

Qiuttnqn
In Stock
9.7 /10
FungiPop Score
FungiPop Score is calculated from a base score plus a scaling bonus tied to the product's own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
These 90mm sterile plastic petri dishes come in a 30-pack with tight-fitting lids and smooth, reusable surfaces. Ideal for students, teachers and hobbyists needing reliable dishes for lab work, science projects and seed germination.
Pros & Cons

Pros

  • Large 30-count set ideal for classrooms and repeated experiments
  • Crystal clear visibility for accurate observation of cultures
  • Tight-fitting lids help maintain cleanliness during use
  • Reusable and easy to clean after non-hazardous applications
  • Lightweight, stackable and easy to store

Cons

  • Thin plastic can crack if pressed hard or exposed to high heat
  • Not autoclavable like glass, so limited for high temperature sterilization
  • Lids are not airtight sealed, so not suited for long term anaerobic cultures
Detailed Review

The Qiuttnqn 30 Pack Petri Dishes are standard 90 x 15mm sterile dishes designed for bioresearch, education and home science. They are a practical choice for teachers, students, hobbyists and small labs that need a ready to use supply without glassware hassle.

In real world use, the dishes perform well for agar pouring, bacterial culture observation, seed germination and classroom experiments. The clear base and matching lid provide good visibility while helping limit airborne contamination during short term incubation.

Each dish is molded from lightweight transparent plastic with a smooth interior that is easy to fill, view and clean. The lids fit snugly yet lift easily, and the stackable round profile saves bench and storage space.

As expected with disposable plastic, they are not as heat resistant or rigid as borosilicate glass. Very high temperatures, harsh solvents or heavy pressure can warp or crack them, so they are best for standard low heat applications.

Overall, this set offers excellent convenience and versatility for routine lab work, science fairs and creative reuse around the home. If you want an affordable, sterile and multipurpose dish set, this 30 pack is a smart pick.

Specifications

Quantity: 30 sterile plastic petri dishes with matching lids included in each set.

Dimensions: Each dish measures 90mm in diameter by 15mm in depth, about 3.5 by 0.6 inches.

Material: Clear molded plastic with smooth surface for visibility and easy cleaning.

Package Details: Ships at 9.09 x 7.76 x 3.86 inches with a total weight of 1.08 pounds, model bndc45.

Uses and Tips

Perfect for school science projects, agar art, colony observation, plant tissue and seed starting trials.

Also handy at home for jello molds, paint mixing, bead sorting, specimen display and small parts storage.

Tip: Label lids with marker, pour agar on a level surface, and allow reuse only after thorough cleaning for non critical tasks.

6
Prime

Vabiooth 100 Pack Sterile Petri Dishes 90x15mm

Vabiooth
In Stock
9.7 /10
FungiPop Score
FungiPop Score is calculated from a base score plus a scaling bonus tied to the product's own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
These are 100 sterile 90mm x 15mm plastic petri dishes with 3-vent lids and a thicker 16g build. Ideal for students, mushroom growers and home labs doing agar cultures, contamination checks and classroom science.
Pros & Cons

Pros

  • Sterile, vacuum sealed packaging helps keep plates contamination free until use
  • Vented lid design supports healthy culture growth with less condensation
  • Clear plastic offers excellent visibility for observation and photography
  • Versatile for education, biology hobbyists, mushroom cultivation and sample display
  • Helpful QR code support for testing instructions and result interpretation

Cons

  • Plastic is not heat resistant above 120F and cannot be autoclaved, so single use only
  • Thickness may feel standard rather than heavy duty compared to glass dishes
  • 100 pack bulk size may be excessive for one time small projects
Detailed Review

Vabiooth 100 Pack Sterile Petri Dishes are 90mm diameter by 15mm deep plastic dishes designed for lab, classroom and home science use. They are a practical choice for teachers, students, mushroom growers and hobbyists who need reliable, disposable plates for agar work.

In real world use, reviewers report clean, contamination free performance for bacteria culture, mushroom contamination checks, agar slants and airborne mold testing. The 3-vent lids help with air circulation and limit condensation, which supports clearer colony growth and easier reading of results.

Each dish is made from clear plastic at 16g weight, which the brand notes is thicker than many 12g alternatives on the market. The lids fit securely, the views are sharp for microscope work, and the multi-layer vacuum sealed bags keep unused plates protected during storage.

There are limits to consider. These are single use plastic dishes that will melt above 120F, so they are not autoclavable and not a substitute for glass. A few users also note the thickness feels standard rather than extra heavy, and the large 100 count may be more than occasional users need.

Overall, this is a convenient, beginner friendly bulk set that delivers sterile handling, good clarity and thoughtful support. If you want affordable, disposable petri dishes for education, home testing or routine culture checks, this Vabiooth set is a solid pick.

Specifications

Brand: Vabiooth, Model: VB-PD001-100, Size: 90mm diameter x 15mm deep, Quantity: 100 sterile dishes with lids.

Material: Clear plastic, ethylene oxide sterilized, 16g weight for added durability. Lid style: 3-vent design for airflow and reduced condensation.

Important note: Do not heat above 120F. This plastic version is not autoclavable. For high heat applications, choose the autoclavable model.

7
Prime

BKMLAB 90x15mm Sterile Petri Dishes with Lids

BKMLAB
In Stock
9.6 /10
FungiPop Score
FungiPop Score is calculated from a base score plus a scaling bonus tied to the product's own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
The BKMLAB 90x15mm petri dishes are a 30 pack of EO sterilized, vented plastic culture dishes made from clear polystyrene. Their sterile, contamination free design and optimal airflow make them a solid choice for labs, teachers, and mycology hobbyists.
Pros & Cons

Pros

  • Pre sterilized and pyrogen free, ready for sensitive microbiology work
  • Thickened, durable polystyrene with excellent clarity and flat bottom
  • Vented lid design supports healthy growth of bacteria, fungus and yeast
  • Versatile for professional labs, schools, science projects and home mycology

Cons

  • Single use plastic design, not reusable or autoclavable
  • Agar is not pre poured, manual media preparation is required
  • Only available in 90mm size with no smaller or glass options
Detailed Review

The BKMLAB 90x15mm sterile petri dishes are designed for microbiology, education, and home science use. This 30 pack targets lab technicians, science teachers, students, and mycology hobbyists who need a ready to use, contamination free culture vessel.

Each dish arrives EO sterilized and DNase, RNase, and pyrogen free, so cultures stay pure from the start. The vented lids allow steady gas exchange for bacteria, yeast, mold, and fungus while helping to limit condensation that can spoil samples.

Built from thickened, lab grade polystyrene, the plates feel sturdy and offer excellent clarity for naked eye checks and microscope work. The flat bottom promotes even agar distribution and uniform colony growth, which is critical for consistent results.

As single use plastic dishes, they are not intended for autoclaving or reuse, and agar must be poured separately. Users needing pre poured plates or glass dishes for high heat sterilization will need to look elsewhere.

Overall, these BKMLAB petri dishes deliver reliable sterility, good airflow, and clear visibility in a convenient bulk pack. They are a practical, versatile choice for classrooms, routine lab work, seed starting, and STEM experiments.

Specifications

Brand: BKMLAB, Size: 90mm diameter x 15mm depth, Quantity: 30 dishes with lids per pack.

Material: Premium polystyrene with high transparency and flat bottom design. Lid Type: Vented for airflow and reduced condensation.

Sterility: EO sterilized in 10,000 grade cleanroom, DNase free, RNase free, and pyrogen free for sensitive cultures.

8
Prime

Bekith 50 Pack 90mm Sterile Petri Dishes with Lids

Bekith
In Stock
9.6 /10
FungiPop Score
FungiPop Score is calculated from a base score plus a scaling bonus tied to the product's own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
This Bekith set includes 50 sterile 90mm x 15mm plastic petri dishes with lids plus 50 3ml transfer pipettes. The optically clear dishes arrive sealed in packs of 10, making them a practical choice for students, hobbyists and general lab training use.
Pros & Cons

Pros

  • Crystal clear visibility for cultures and microscopic work
  • Generous 50 pack with bonus pipettes offers strong value for classrooms and hobby labs
  • Convenient 10 pack sterile sealing helps prevent contamination between uses
  • Large 90mm diameter works well for agar pouring and kid friendly science experiments

Cons

  • Plastic is a bit fragile and can crack if handled roughly or during shipping
  • Lids do not snap lock, so filter tape or careful handling is needed to keep them secure
  • A few users reported minor breakage or contamination on arrival, so inspect before use
Detailed Review

The Bekith Petri Dishes set delivers 50 sterile 90mm x 15mm dishes with lids plus 50 disposable 3ml pipettes. It is designed for students, teachers, hobbyists and anyone doing general lab training, school projects or home experiments.

Standout value comes from the complete kit format and clear optics for observation. Users report successful agar pouring, clean cultures with good technique, and fun results for kid friendly projects like jello and craft activities.

Each dish uses lightweight industrial grade plastic with a smooth surface and transparent body. The clarity supports microscopic examination, while the standard 90mm size gives plenty of room for sampling, mixing and culture growth.

Build quality is functional for disposable use but not heavy duty, so handle with care to avoid cracking. Lids rest on top rather than snapping shut, so you will want filter tape or steady handling for culture work.

Overall, this is a practical, classroom ready bundle for low volume and educational use. If you need affordable, clear and sterile ready dishes with pipettes included, it is an easy recommendation.

Specifications

Brand: Bekith, ASIN: B087JS4V76, Category: Lab Petri Dishes

Petri Dish Size: 90mm diameter x 15mm deep, Quantity: 50 dishes with lids plus 50 3ml transfer pipettes

Material: Disposable industrial grade clear plastic, sterile packed in sealed sets of 10

Package Dimensions: 12.32 x 10.87 x 3.66 inches, Item Weight: 1.54 pounds

9
Prime

United Scientific 10-Pack Sterile Petri Dishes

UnitedScientific
In Stock
9.6 /10
FungiPop Score
FungiPop Score is calculated from a base score plus a scaling bonus tied to the product's own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
These are sterile 90mm x 15mm polystyrene petri dishes sold as a 10-pack with lids. Their thick, optically clear construction makes them a dependable choice for laboratories, classrooms, and home science experiments.
Pros & Cons

Pros

  • Pre-sterilized by ethylene oxide for reliable contamination control
  • Durable thick plastic with excellent optical clarity for viewing
  • Secure lid fit and stackable design for easy handling and incubation
  • Versatile disposable format ideal for labs, classrooms, and home use

Cons

  • Single use plastic creates more waste than reusable glass dishes
  • Bulk sleeve packaging is not individually wrapped, so opened dishes need careful storage
  • No molded counting grid on this 90mm version for colony enumeration
Detailed Review

The United Scientific K1004-J is a sleeve of 10 sterile, disposable petri dishes sized at 90mm by 15mm with matching lids. They are made for testing laboratories, science classrooms, and home experimenters who need reliable, ready to use cultureware.

Each dish arrives sterilized by ethylene oxide, so you can pour agar or start observations immediately without autoclaving. In practice, the standard 90mm diameter works well for bacterial culture, mold observation, seed germination, and general science projects.

Made from thick industrial grade polystyrene, these dishes feel sturdy for disposable plastic and offer excellent optical clarity. The lids seat securely to help limit contamination while still lifting easily, and the low profile stacks neatly for storage and incubation.

As disposables, they are not intended for reuse and will generate plastic waste with frequent use. They also come as a bulk sleeve rather than individually wrapped, so you will need clean storage for opened packs to maintain sterility.

For teachers, students, hobbyists, and busy labs, this 10-pack delivers dependable quality at an economical scale. If you want sterile, clear, and hassle free petri dishes without washing glassware, this is a smart, practical choice.

Specifications

Brand: United Scientific, Model: K1004-J, Size: 90mm Dia x 15mm with lid, Quantity: 10 dishes per sleeve.

Material: Industrial grade polystyrene, Sterilization Method: Ethylene oxide, Type: Disposable, sterile cultureware.

Package Dimensions: 8.31 x 3.98 x 3.78 inches, Item Weight: 5.3 ounces, Intended Use: Laboratory, classroom, and home science.

10
Prime

MyMed 100 Pack Sterile Petri Dishes with Lids

MyMed
In Stock
9.6 /10
FungiPop Score
FungiPop Score is calculated from a base score plus a scaling bonus tied to the product's own Amazon star rating (same formula for every product, capped at 9.9/10). It is not influenced by any manufacturer or affiliate relationship. Learn more ›
This is a 100-pack of 90x15mm sterile polystyrene petri dishes with lids and 2ml pipettes. The crystal-clear, ethylene oxide sterilized plates stack well and suit mycology, classroom labs, seed germination and agar work.
Pros & Cons

Pros

  • Clear visibility and consistent sterile quality for successful cultures
  • Includes pipettes so kit is ready to use for students and hobbyists
  • Stackable and sturdy enough for normal lab and classroom handling
  • Bulk quantity ideal for mycology, schools and frequent experiments

Cons

  • Plastic can crack if dropped, not as durable as glass dishes
  • Single use disposable design, not intended for autoclaving or reuse
  • Large 100-pack box needs dedicated storage space
Detailed Review

MyMed offers a bulk set of 100 sterile 90 x 15 mm petri dishes with lids plus 2ml plastic pipettes. It is built for students, teachers, home mycologists, gardeners and small labs that need ready to pour agar plates.

Standout value is the complete sterile setup for mycology, bacteria culture, seed germination and classroom experiments. Users report successful cultures and clean transfers, with the included pipettes making liquid handling simple for beginners and frequent users.

Each dish is molded from clear polystyrene with a smooth flat surface for easy viewing and a snug lid that grips well. Plates feel sturdy for everyday handling and stack neatly to keep benches organized, while the purple branded box keeps them protected during shipping.

The tradeoff is plastic construction that will crack if dropped or crushed, so they need gentle handling. They are single use disposables and are not a replacement for reusable glass dishes when heat sterilization is required.

For bulk sterile plates that are clear, stackable and beginner friendly, this MyMed kit is a practical pick. It is especially useful for mycology supplies, school science projects and seed starting where quantity and sterility matter.

Specifications

Quantity: 100 sterile petri dishes with lids plus 2ml plastic pipettes

Dimensions: 90mm diameter x 15mm height per dish

Material: Transparent polystyrene plastic, disposable

Sterilization: Ethylene oxide sterilized for lab use

Packaging: Protective branded box for safe delivery

Buying Guide for Small-Batch Agar Work

This guide to best 90mm petri dishes with lids for small batch focuses on what matters for 90mm agar pours at home. You will see even bottoms, snug lids, and sleeve sizes that match low-volume work without excess waste.

You will find 10-packs for first pours, 30-packs for steady hobby use, and 50 to 100-packs with pipettes for frequent transfers. Glass stands apart as the reusable outlier for growers who prefer to sterilize and pour on a personal schedule.

Glass vs Sterile Single-Use Plastic

Huanyu 90mm Glass Petri Dish with Lids uses high borosilicate glass with 2mm thickness and tolerance up to 400 C for repeated heating cycles. You can wash, wrap, and reuse it for ongoing agar work, which suits growers who pour small batches weekly.

Single-use polystyrene dishes arrive pre-sterilized with ethylene oxide and save you prep time. Options like United Scientific 10 Pack Sterile Thick Plastic and 30 Pack 90 x 15mm Plastic Bioresearch Sterile give you optically clear bottoms and smooth surfaces you can open as needed.

Choose glass if you want long-term reuse and high heat tolerance, and choose sterile plastic if you want fast, low-prep pours with less washing. For either path, keep your misting routine consistent with an isopropyl alcohol spray bottle for sterile work to limit airborne contaminants.

Huanyu lids measure wider than the base for easy lift without dragging across agar. Plastic sleeves like 100 Packs Sterile Thick Plastic Petri Dishes keep lids paired and nested, so you can grab one clean set at a time during transfers.

Lid Fit, Airflow and Condensation Control

Lid design shapes gas exchange and moisture buildup during mycelium expansion. The 10 Pack Sterile Thick Plastic Petri Dishes and 90x15mm Sterile Petri Dishes with Lids use vented lids that promote airflow while reducing condensation for clearer reads.

Tellegloww 30 Pack Petri Dishes with Lids adds a roll of stretchable PE sealing tape for a snug edge seal after pouring. You stretch the tape around the rim to hold humidity steady, then slice it for transfers and reseal for storage.

Look for even edges, flat lids, and stable stacking so plates do not rock in your incubator. If humidity swings cause beading or fuzzy edges, review the guide on how to prevent mold from too much humidity before you pour your next round.

Stack poured plates with lids on, then invert after the agar firms to trap condensation in the lid. Label the bottom, not the lid, so you can track strains if lids get swapped during inspection.

Pack Size and Small-Batch Workflow

For 5 to 15 plates, a 10-pack keeps waste low and storage simple. United Scientific 10 Pack Sterile Thick Plastic and 10 Pack Sterile Thick Plastic Petri Dishes both suit first agar pours, clone transfers, and spore streaks without opening a large sleeve.

When you pour weekly or share plates with a friend, move to 30-count sleeves. The 30 Pack 90 x 15mm Plastic Bioresearch Sterile, Tellegloww 30 Pack Petri Dishes with Lids, and 90x15mm Sterile Petri Dishes with Lids balance freshness and variety for agar-to-grain moves.

Larger sets like Bekith Petri Dishes with Lids with 50 dishes plus 3ml pipettes and MyMed Pack of 100 Sterile Petri Dishes with Lids with 2ml pipettes help with liquid culture and serial transfers. Note that Kigley 400 Pcs Petri Dishes with Lids Bulk Sterile measures 60mm x 15mm, so it runs small for standard 90mm agar recipes.

Thicker dishes resist flex when you carry a warm stack. Vabiooth notes its 90mm dishes weigh about 16g versus thinner 12g market options, which helps prevent cracking and lid pop during handling.

Isopropyl alcohol is flammable and should be kept away from any open flame, in a well-ventilated area. Work away from burners when you mist gloves and surfaces, and let plates cool fully before you seal and stack them.

Track incubation temps with a Govee hygrometer thermometer for small batch so you can spot warm, damp corners that invite contaminants. Stable temps help mycelium run evenly across the plate.

Clarity, Flat Bottoms and Easy Pouring

A perfectly flat, ultra-clear bottom makes hyphal fronts and bacterial slicks easier to read. BKMLAB polystyrene plates, Qiuttnqn dishes, and Bekith dishes all emphasize smooth surfaces and high transparency for microscope viewing and photo records.

Built-in pipettes reduce drips when you move spores or liquid culture. Bekith includes 50 soft 3ml transfer pipettes, while MyMed includes 2ml pipettes in purple-clad packaging that protects dishes during shipping and keeps your bench organized.

Pour 20 to 25ml of agar per 90mm plate on a level surface, then cool with lids cracked slightly to limit condensation. Once solidified, store inverted in a clean sleeve and see how to line a grow tent for mushroom fruiting when you move clean agar to bulk substrate.

Avoid pouring agar that is too hot, as steam fogs lids and warps thin plastic. Let the flask cool until comfortable to hold, pour steadily from the center, and glide to avoid bubbles that obscure mycelium.

Final Thoughts

For long-term reuse choose Huanyu 90mm Glass Petri Dish with Lids, while for quick sterile pours choose 10 Pack Sterile Thick Plastic Petri Dishes to keep small-batch agar simple in 2026.

Frequently Asked Questions

Can I reuse 90mm plastic petri dishes for agar?

Most 90mm polystyrene dishes are designed for single use to preserve sterility. You can rinse them for practice pours, but scratches harbor contaminants and lids warp with heat. For repeated cycles in 2026, keep borosilicate glass for reuse and save plastic sleeves for clean, one-time agar work.

How much agar do I need per 90mm dish for small-batch mushroom work?

Plan on 20 to 25ml of agar per 90mm plate for a firm, even surface. A 500ml batch fills about 20 dishes, which fits small-batch goals without excess waste. Pour on a level table, cool fully, then store inverted to keep condensation off the agar.

Are vented lids better for mushroom mycelium?

Vented lids allow gentle gas exchange while limiting drips on the agar surface. Mycelium colonizes more evenly when moisture does not pool, and you can read growth with less fogging. Add a light wrap of grafting tape if your incubator runs dry.

How do I keep small-batch agar plates from contamination?

Cool poured plates before sealing, label the base, and avoid opening dishes outside clean airflow. If you see recurring green or black spots after transfers, review how to stop mold growth from high humidity in monotub to adjust moisture and fresh air. Clean hands, fresh gloves, and minimal lid lift time make the biggest difference.

Browse more picks in our Sterile Lab Tools category, or see our related guide on Isopropyl Alcohol Spray Bottles for Home Growers 2026.

This roundup is not a good fit if you only work with pre-made grow kits and never do your own transfers or cloning; sterile lab tools are aimed at growers doing their own culture work.