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Re: Newbie Guide to PPS-Pro

You need Epsom Salt for the MgSO4 and not pure MgSO4.

Epsom Salt is Magnesium Sulfate Heptahydrate (MgSO4∙7H2O) and it is very easy to find at pharmacies, grocery stores, etc. and it is fairly cheap too.
 

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You may have to contact them to see if you are actually getting MgSO4 or MgSO4∙7H2O (Epsom Salt). The dosing amounts will be a bit different.

Many people call MgSO4∙7H2O magnesium sulfate and it is not correct.

BTW, the Fertilator uses MgSO4∙7H2O.
 

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