Black Pearl Oyster 10cc Liquid Culture Syringe

Dark Caps. Thick Stems. Gourmet Yield Potential.

The Black Pearl Oyster (Pleurotus ostreatus var. Black Pearl) Liquid Culture Syringe from Spore Genetics is a premium gourmet strain known for its dense stems, broad caps, and rich, savory flavor profile. This live liquid culture isolate is designed for clean, even colonization, making it an excellent choice for both hobby grow rooms and small-scale gourmet production.

Black Pearl performs exceptionally well on wood-based, supplemented substrates, forming thick, meaty clusters with dark gray to slate-colored caps. Its strong structure, reliable pinset, and impressive flush weight make it a standout option for growers looking to add a high-performing oyster strain to their lineup.

Black Pearl Oyster Mushrooms Cultivation Profile

Substrates: Rye, millet, or 5-grain for spawn; supplemented sawdust or master’s mix for fruiting blocks

Fruiting Temperature: 60–70°F (15–21°C)

Humidity: 90–95% during pinning, then 85–90% during fruiting

Lighting: Moderate light to encourage darker cap pigmentation and dense cluster formation

Growth Style: Thick, robust stems with broad, overlapping caps in tight, high-yielding clusters

Yield Notes: Known for strong biological efficiency and dependable second flush performance when substrate nutrition is adequate.

Black Pearl Oyster Liquid Culture Syringe Includes

· One (1) 10cc Black Pearl Oyster Gourmet Liquid Culture Syringe

· One (1) Sterile 16ga Needle

· One (1) Alcohol Prep Pad

· Includes our “How to Use a Gourmet Liquid Culture Syringe” insert with QR code for step-by-step instructions

LIQUID CULTURE SYRINGES SHOULD BE REFRIGERATED, AND ARE VIABLE FOR 3-6 MONTHS.