Water changes

[ReefOcean]

Originally Posted by Aquaria

But how do u know at what rate those elements deplete? U could be building up elements dosing with out w/c. You need to do the w/c to bring the buildup down that's all anyone has said to you. Us pro w/c'ers believe that w/c balance what we cannot test for

Is that relevant? Your alternative is arbitrarily adding them in through water/ salt mix that has an indeterminable amount.