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Discussion Starter · #1 · (Edited)
In the macro formula there is: "41 grams MgSO4 (Magnesium Sulfate)".
What if I use Epsom salt (hydrated*7H20)?
Should I use this 2.048 times more then in original to have the same nutrient ammount?

Piotr
 

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Discussion Starter · #3 ·
Epsom Salt is the correct product.
If so, It should be specified in the formula as MgSO4*7H2O because of possible errors.
For examle: My micro fertilizer contains Mg. I modified macro part of PPS-Pro to have the same Mg ammount as in original. Now, I know I have 2 times too much Mg.

Piotr
 
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