CaCO3 + CO2 + H2O ⇌ Ca(HCO3)2

Yeah once you add nuits to that it will be 4.8 and WAY too acidic
mendokid Reviewed by mendokid on . Is Rain Water Better??? Anyone here use Rain Water, I seem to have a problem with PH, Rain water is about natural is this recommended, or should I mix 50/50 with tap water to bring PH up to 6.0-6.5 thanks Moon Rating: 5