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Drain-to-waste hydroponic systems
bathroom fans and other HVAC applications
Key Ingredients
pests and more with excellent clarity
NORTH SPORE Mastr Mix Sterile Soyhull & Hardwood Substrate, 5lb Humic & Fulvic Acids Drain-to-waste hydroponic systemsNORTH SPORE Mastr Mix Sterile Soyhull & Hardwood Bulk Substrate The Premium 5lb sterilized Mastr Mix contains a blend of hardwood sawdust, non GMO soyhulls, and select substrate amendments. This proprietary blend is formulated for higher yields and has a pleasant, leafy, deep veggie aroma (thanks to the premium soyhulls used in our recipe). After more than a year of development, the result is a product with a better nutritional profile for a faster
