1. Zak Rafik

    Magnesium in GH Booster and dry dosing. Why the vast difference?

    Hi Guys I'm now dosing EI salts to my 300lts/ 80 gal planted tank by using the on-line calculator at It say to dose 2 teaspoons of Magnesium Sulphate (MgSO4) for 3 times a week. That's a total of 6 teaspoons per week. Now...