(1.0-20.0 lbs) Mycology Basics - Bulk Ultra-Fine Lab Grade Gypsum for Mushrooms, Food Grade, No Additives - Packaged in HEPA filtrated Enclosure for Sterility (5.0 lbs)
Special Features
- Fine powder - no more chunks, lumps or garden style gypsum pellets
- Packaged in HEPA filtrated enclosure for sterility - no contamination
- Better PH Buffering - our fine powder disburses more easily, creating more uniform PH buffering in your substrate
- Great for Grainspawn - super-fine gypsum is best for grains, providing a uniform coating your Myc will love
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