Having to add 16oz acid almost daily. Current test values: FC=7; CC=0; pH=8; TA=75; CH=260; CYA=45. I just recently went to liquid chlorine addition and am adding .25 gal/day via a Stenner pump. I add it all in a 2 hour period and everything is great except pH. I do have waterfalls and bubblers but to minimize aeration I cut way back on total circulation time to 2.5 hours in the morning and 1.5 hrs in the evening. I have seen where several of you say to lower TA to 70 or 80 and pH will stabilize. I am in that range but if I don't add acid I exceed 8.0 in 3-4 days. Anybody have a clue as to a better way to keep pH under control?