Black Pearl King Oyster (Pleurotus ostreatus-Hybrid) Commercial Spore Print

The Black Pearl King Oyster is a Pleurotus Ostreatus hybrid species from Japan. This Oyster species fruits dense meaty mushrooms, similar to the King Oyster (Pleurotus Eryngii). Black Pearls are beautiful, delicious, gourmet mushrooms, that are fast at colonizing substrate and eager to fruit!Fruiting Substrates: -Masters mix (50/50 hardwood sawdust & soybean hulls) -Hardwood sawdust & wheat bran @ 20% supplementationColonizing Temperature: 65 to 80 FFruiting Temperature: 50 to 70 FFruiting Humidity: 90 to 95%Air Exchanges: 4 to 8 per hour New, novel strains of mushrooms are created when starting from spores.  You could discover the next popular strain of your favorite variety when growing mushrooms this way.  Even better, spore prints are more resistant to extreme weather.    Each spore print order includes 2 prints on separate pieces of tinfoil, packaged in individual plastic bags. Commercial spore prints are taken from commercially viable mushroom strains.  Spore prints are