DIY Magnesium Supplement

footballcs12

New member
I am looking into mixing my own mag supplement and have read over Randy's 2 part but am finding mixed feelings about this. People are saying to no longer use mag flake as it can contain bad things for the tank. If I just use Epsom salts will there be any negative effects?
 

gbru316

Active member
Excess sulfate (almost 100k ppm more than the recipe with mag chloride hexahydrate), but that can be remedied with regular water changes.
 

downbeach

New member
You can get Mg Chloride at BRS, and use with the Epson Salt. Should be 5 cups of Mg Chloride and 3 cups of Mg Sulfate(Epson Salts) to a gallon of RO/DI water.
 

footballcs12

New member
Excess sulfate (almost 100k ppm more than the recipe with mag chloride hexahydrate), but that can be remedied with regular water changes.

As simply as you can explain to me what negative effects sulfate can have please. I'm on my phone and everything I've looked up has links to articles that
 
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