Ph problem
Hi, my tank is two years old and my ph is always around 7.6/7.8. It’s a 300l tank and has lots of live rock. It has two canister filters one driving a chiller. A small protien skimmer and I have just added a nitrate reactor as I think my tank is a little over stocked with nitrates alway between 20/40ppm even with regular water changes. I use ro water with redsea coralpro salt. My dkh is 9 both in tank and my change water. Pacific gravity is 1.025. I have no amonia, nitrite and only small amount of phosphate. Calcium is usually 420ppm. I suspect my high nitrate is lowering my ph with acid. When my nitrate reactor get going it will remove the nitrate but I don’t think it will stop the production of acid. Any ideas on how I can raise my ph???
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Ph problem