King Oyster (Pleurotus eryngii) Commercial Slant or Petri Dish

King Oyster mushrooms are a culinary delight.  This species can grow individual mushrooms weighing over a half pound with small caps relative to the size of the stem.  Chefs like to peel the stem and use the soft center to make scallop-like morsels.  Simply delicious! Fruiting Substrates: -Masters mix (50/50 hardwood sawdust & soybean hulls) -Hardwood sawdust & wheat bran @ 20% supplementationColonizing Temperature: 65 to 75 FFruiting Temperature: 60 to 70 FFruiting Humidity: 94 to 98%Air Exchanges: 4 to 8 per hour All mushroom culture slants and petri dishes are guaranteed to be 100% clean, viable and proven fruiting strains of mushroom.  Commercial strains are tested by growing and evaluating speed of colonization, fruit body form, and yield weight. Slant cultures come in a 50ml conical centrifuge tube on nutrient agar.  Petri dish cultures come in a 100mm x 15mm petri dish on nutrient agar.