The 4# bag is not the same. It will not work as a soluble fertilizer. Due to new requirements, we are no longer able to ship fertilizer outside the USA.
The recipe for use in a hydroponic system is 12 grams Masterblend 12 grams calcium nitrate 6 grams magnesium per 5 Gallons
1 ,5, 50 lb bags
The 4# bag is not the same. It will not work as a soluble fertilizer. Due to new requirements, we are no longer able to ship fertilizer outside the USA.
The recipe for use in a hydroponic system is 12 grams Masterblend 12 grams calcium nitrate 6 grams magnesium per 5 Gallons
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