NORTH SPORE Blue Oyster Mushroom Liquid Culture Syringe Commercial Grow Light Systems Down To Earth Rock Phosphate

Down To Earth Rock Phosphate helps encourage vigorous root development

Smooth and Clean Powder Coat Finish for Aerodynamic Flow

increases the soil’s capacity to hold water and nutrients

'Harbor Blue' oyster (Pleurotus ostreatus) is a very productive commercial strain of blue oyster from Pennsylvania that fruits dense clusters with dark grayish-blue caps

Warranty:  12 Months

NORTH SPORE Blue Oyster Mushroom Liquid Culture Syringe Commercial Grow Light Systems Down To Earth Rock PhosphateNORTH SPORE Blue Oyster Mushroom Liquid Culture Syringe 'Harbor Blue' oyster (Pleurotus ostreatus) is a very productive commercial strain of blue oyster from Pennsylvania that fruits dense clusters with dark grayish blue caps. It produces best in cooler temperatures but also performs well during the warmer months. Averages 1 2 lbs first flush off of 5 lb supplemented sawdust blocks but will also produce off sterilized straw substrate. Our liquid