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and gypsum
Why cultivators love it:
Perfect for monotubs
100% made in a cleanroom environment for peace of mind
It’s ideal for growing gourmet and medicinal species alike—and for anyone who wants commercial-quality results from home
4 lb Sterilized Grain Spawn Bag | 4 Qt With Injection Port QUANTITY DISCOUNT:6 Bags and gypsum4 Pound Sterilized Grain Spawn Bag The Clean Start Every Grow Deserves Give your mycelium the head start it deserves. Our 4 pound sterilized grain spawn bag (equal to 4 quarts) is packed with perfectly hydrated, nutrient rich organic grain and sterilized in a cleanroom environment for total contamination control. Each bag includes a self healing injection port and 0. 5 micron filter patch, letting you inoculate directly with spores or liquid culture