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.














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