DrMyc.com Magical Gypsum for Mushroom Substrates - Lab Grade Purity Gypsum with Organic Humic Acid, Biochar, Sucrose & MGP Microbes for Mushroom Growing (3.0 lbs) Control Solutions Color: Pink(4Pack)
SKU 43442965837Pay in 4 interest-free payments of $14.37 Learn more
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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28

























