Microppose Petri Dishes 90mm x 15mm Plates | Vented Lid | Polystyrene Sterile |500-PackMicroppose Sterile Petri Dishes bulk 500 pack case of premium 90mm x 15mm polystyrene plates for commercial mycology, university labs, classrooms, and research facilities. Each case contains 25 individual sleeves of 20 plates, factory pre sterilized and packed for efficient inventory handling. Open one sleeve at a time as you need them; the remaining 24 sleeves stay sealed and sterile until use. Significant Cost Savings vs. Individual 20 Packs Buying

Machine-stackable smooth surfaces compatible with automated handling equipment

Fruiting Humidity: 90–93%

this premium blend is enriched with moisture-holding ingredients

2 × 32 oz rye jars

Small Grain Size – Provides more inoculation points for faster colonization

Grain Blend: 2 lb 5-grain spawn blend (sterilized)

Dark background makes growth details pop

99% efficiency @ 0

Massive 24

Extra replacement exhaust filter

Glycerite liposomal extraction to preserve alcohol-soluble compounds without harshness

Using sterile technique