Greetings! Found TFP before we bought our house last year...first experience with a pool. I've been follow TFP/BBB with (I believe) good results...water has always been clear & sparkly, and fairly easy to maintain (apart from trying to figure out the booster pump plumbing and valves and now needing to figure out some main pump air leaks).
All last year, pH would constantly rise from 7.5 to 7.8 (one or two days later) and then on up to 8.2 if I let it go to a week. I know that our water features aren't helping, but is this normal? At the height of last summer, I found myself adding about 1 pt of Muriatic Acid each week. During the summer, TA stayed around 70. Sometime last summer/early fall, a couple major squalls hit, seriously overfilling/diluting our pool...TA fell to about 50. I lowered pH to about 7.6 then raised TA targeting 100 thinking higher TA should help stabilize pH. I think I overshot a bit...at 10 drops, TA test goes from green to dark grey then pink with the 11th drop.
At any rate, I don't seem to have changed much, apart from now using a bit more MA to lower pH the same amount.
So the question is...how much do I need to chase pH?
Here are this afternoon's test results:
FC - 3.5
CC - 0.5
pH - 8.2
TA - 110
On the FC/CC, I'm chasing some small pockets of algae in some cracked mortar but this isn't new
From a week ago:
CH - 210
CYA - 40