Gh Booster Question?

hani

Lifetime Charter Member
Lifetime Member
Jul 27, 2007
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Hi i have 29g tank, my tap water is 4 Gh, should i add GH booster? am using EI, am not sure how much Mn,Mg i have? if i add Grumpy's GHbooster with water change should i continue dosing iron that day to? thanks