{"product_id":"500-pack-petri-dishes-with-lids-90x15mm-sterile-stackable-lab-dishes","title":"500 Pack Petri Dishes with Lids 90x15mm - Sterile Stackable Lab Dishes","description":"\u003cp\u003eIn this review the reviewer finds these 500 pack petri dishes best suited for labs, classroom STEM work, and mycology hobbyists who need reliable, ready-to-use plates in bulk. The single biggest reason to buy is convenience: they arrive pre-sterilized and individually bagged, so users can open and use plates immediately without additional prep. For those who need clear observation and repeatable culture results, the combination of a thick polystyrene wall and crystal-clear transparency makes these dishes a practical, no-fuss choice.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Material:\u003c\/strong\u003e Thick, laboratory-grade polystyrene provides a smooth surface that helps promote uniform culture growth and reduces surface defects that can interfere with observations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady-to-Use Sterility:\u003c\/strong\u003e Pre-sterilized with ethylene oxide (EO), these plates are suitable for mycology and agar work straight from the bag, saving setup time and contamination concerns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal-Clear Observation:\u003c\/strong\u003e High-clarity plastic allows for easy, real-time monitoring under basic microscopes and photographic documentation without visual distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilated Design:\u003c\/strong\u003e Loose lids promote gas exchange for cultures that benefit from oxygen access while the non-sealed cover still keeps most contaminants at bay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace-Saving Stackability:\u003c\/strong\u003e Stackable construction reduces bench or storage footprint by roughly half, useful in classroom or cramped lab environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividually Bagged:\u003c\/strong\u003e Packaged 10 per bag to help maintain sterility until use, which simplifies inventory management and reduces waste from opened packs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is aimed at educational labs, mycology hobbyists, and researchers running high-throughput plating who need a large quantity of uniform, sterile 90x15mm dishes for routine culture, storage, or observation. The pre-sterilized, individually bagged format is especially helpful for teachers managing multiple student groups and for hobbyists who want a ready supply without investing in sterilization equipment.\u003c\/p\u003e\n\u003cp\u003eThose who need autoclavable, reusable glassware or sealed plates for anaerobic culture should look elsewhere, since these are disposable polystyrene plates with loose, ventilated lids. Users requiring specialized surface treatments or certified medical device grading should confirm suitability before purchase.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarge 500 pack offers strong value for labs and classrooms with frequent use.\u003c\/li\u003e\n\u003cli\u003ePre-sterilized EO treatment and individual bagging reduce prep time and contamination risk.\u003c\/li\u003e\n\u003cli\u003eClear, thick polystyrene improves visibility under microscopes and feels durable in handling.\u003c\/li\u003e\n\u003cli\u003eStackable design saves storage and bench space when not in use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade from disposable polystyrene, so not suitable for autoclaving or long-term heat-based sterilization.\u003c\/li\u003e\n\u003cli\u003eSome users report mixed impressions of quality, so examine a sample batch before critical experiments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBIOLOGIX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e500 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e90 x 15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eThick laboratory-grade polystyrene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterilization\u003c\/td\u003e\n\u003ctd\u003ePre-sterilized with ethylene oxide (EO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eIndividually bagged, 10 per bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eClear, loose lid ventilated and stackable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThese 90x15mm petri dishes are a pragmatic, cost-effective choice for educational labs, beginner mycologists, and routine plating tasks because they combine pre-sterility, clear optics, and durable polystyrene at scale. They offer good value when disposable plates are appropriate, though teams needing reusable or autoclavable ware should select a different product.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these plates ready to use out of the package?\u003c\/strong\u003e\u003cbr\u003eYes, they are pre-sterilized with EO and individually bagged, so plates can be used directly after opening.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill they work with standard microscopes?\u003c\/strong\u003e\u003cbr\u003eThe crystal-clear polystyrene is suitable for observation under most basic microscopes and lab imaging setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan these be autoclaved or reused?\u003c\/strong\u003e\u003cbr\u003eNo, polystyrene plates are disposable and not recommended for autoclaving or repeated heat sterilization.\u003c\/p\u003e","brand":"BIOLOGIX","offers":[{"title":"Default Title","offer_id":48615953563867,"sku":"B091DFN5RF","price":117.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71iH-DQ5V9L._SL1500_93bbc53c-64dd-47ef-a0f5-7449000e2a0c.jpg?v=1778361761","url":"https:\/\/gearmusthave.com\/products\/500-pack-petri-dishes-with-lids-90x15mm-sterile-stackable-lab-dishes","provider":"GearMustHave","version":"1.0","type":"link"}