Will pH Rise Back Up

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MrLeadFoot

Well-known member
Sep 2, 2019
201
El Dorado Hills, CA
I typically have to add acid every few days to bring my ph down. In fact, if I let it go a couple of weeks, I will exceed 8.0. I recently had a surgery and, as, expected, during the time I was away, the pH crept up to 8.0, so over the next few days, I added a cup of acid to gradually lower the ph like I normally would. Well, I don't know what went wrong but suddenly I am at 7.0, which has never, ever happened before! It did rain heavy one night between my "gradual" dosings, but I still checked before adding.

Is it OK to leave it as low as it is for a week or so to see if it climbs back up, as usual, or do I needed to rush out and get something to raise the pH immediately?
 
MrLeadFoot said:
I typically have to add acid every few days to bring my ph down. In fact, if I let it go a couple of weeks, I will exceed 8.0. I recently had a surgery and, as, expected, during the time I was away, the pH crept up to 8.0, so over the next few days, I added a cup of acid to gradually lower the ph like I normally would. Well, I don't know what went wrong but suddenly I am at 7.0, which has never, ever happened before! It did rain heavy one night between my "gradual" dosings, but I still checked before adding.

Is it OK to leave it as low as it is for a week or so to see if it climbs back up, as usual, or do I needed to rush out and get something to raise the pH immediately?
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As long as youre testing is reliable, its fine. Any pH that starts with 7 is perfect.
 
What is the TA? You are not saving chemistry data to Poolmath so it is not populated.
 
Bperry said:
As long as youre testing is reliable, its fine. Any pH that starts with 7 is perfect.
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Oh, that's good to know. I just went out and tested again for today and it's 7.6,right where my target it is. I know I am testing correctly (how can you screw up a pH test), and I swear for two days straight in read 7.0. Is it possible that the rainstorm could have caused that?
 
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MrLeadFoot said:
Oh, that's good to know. I just went out and tested again for today and it's 7.6,right where my target it is. I know I am testing correctly (how can you screw up a pH test), and I swear for two days straight in read 7.0. Is it possible that the rainstorm could have caused that?
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pH constantly rises as long as your TA is above 40/50ppm. Did you test that too as noted above?
 
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