Magnesium Sulfate for Mushroom Cultivation
MushroomSource offers Magnesium Sulfate as substrate additive for mushroom cultivation.
Magnesium Sulfate adds the necessary minerals to the substrate and you only need a small amount, usually just 1% of the substrate weight.
Pick up of the Magnesium Sulfate is available in Toronto and we can ship within Canada.
Magnesium Sulfate - $3.95 + tax per pound (0.45 Kg)
Get as much or as little as you need.