My ph in my tank is going down,how do I bring it up.I tryed Kent to Automatically set the pH at 7.0 but did not work.Any recomindation. 


What size tank and what kind of filtration? Also how many fish,how large are the fish?My ph in my tank is going down,how do I bring it up.I tryed Kent to Automatically set the pH at 7.0 but did not work.Any recomindation.![]()