includes cultures for Golden Oyster, Phoenix Oyster, Pink Oyster, Paddy Straw, and Tiger Sawgill Each culture is tested and guaranteed 100% contaminate free, or we will replace it. cultivate on agar, grain, straw, or standard master mix hardwood blocks high-output isolated sub-strain procured from the finest commercial samples in the world Syringes are best stored in the fridge until use, do not freeze them. This mushroom growers syringe pack is the best way to get started in mycology growing warm weather loving mushrooms. It includes 5 mushroom cultures which are easy to cultivate in warm weather on agar, grain, straw, or standard master mix hardwood blocks. This mushroom sample pack includes cultures for Golden Oyster, Phoenix Oyster, Pink Oyster, Paddy Straw, and Tiger Sawgill. Each syringe contains live mycelium suspended in 3% nutrient broth. Syringes are best stored in the fridge until use, do not freeze them. Our live liquid mushroom cultures are lab procured from the finest commercial samples in the world. Each culture is tested and guaranteed 100% contaminate free, or we will replace it. Each syringe contains a proven high-output isolated sub-strain for maximum yield and minimum incubation time.