Quote Originally Posted by kelemvor View Post
They exist, but as you noticed are a little pricey. Not to mention if you have one and it fails and brings the pH too low, it could seriously damage your pool. There are some other options; watermom has written up a detailed post on some ways to minimize pH rise in swcg pools: http://www.poolforum.com/pf2/showthr...-in-SWCG-pools.........
I pretty much folllow that advice, except my TA has been 90-100 and my borates at about 60. My pool seems to have stabilized at about 7.6 and I haven't had to add acid since the middle of June.