whats up guys so i was wondering okay im using blue planet bluemax nuts part A and part B and my water is natural spring water from a spring up the road from where i live and i was wondering if im using spring water and not distilled and bluemax nutes do i need cal mag? part A has 2.0% mag and part B has 4.0% calcium and 0.5% mag they are girl scout cookies extreme btw thanks guys!
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Hard to give you a soild answer since different phenos uptake nutrients differently, but you can always try without it then add in later if needed.