Monotub Refill Kit

Refill your monotub with these bags of sterile rye grain spawn and sterile substrate. Perfect for the MaxYield monotubs or a 56qt tub.

Monotub Refill Kit

• 10lb Of Sterile Substrate
• 6lb Of Sterile Rye Grain Spawn With .2 Micron Filter Patch And Self Healing Injector Port
• Perfect for the MaxYield Monotub Or a 56q Tub
• Let Us Do The Hard Work, Grow Mushrooms On Easy Mode