Best way to Automate PH control

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Tallredrider

Member
Jun 12, 2023
22
St. George, Utah
My pool has now been filled for 2 years and I am still fighting an elevating PH. I constantly get a PH at about 8.0-8.2 and add enough MA to get it down to 7.6, then 3-4 days later it is back to 8.0. I even checked it the next day to be sure what I was adding is working, and my PH was where it should be. It is like clockwork, and I think that half the time, I wouldn't even have to bother with checking the PH, I know it will be back up. It did slow down a bit in the winter, but anyway, I am tired of adding acid twice a week. And it probably is not good that my PH is higher than ideal for a good chunk of the time unless I go to 3 times per week and add smaller amounts every time.

I have the means to automate the system, and think that it is about time to do that. I have a Hayward system, so would love to have it connect seamlessly to the OmniLogic system, but it doesn't have to. Is there a fan favorite here at TFP? I would like something that keeps the PH constant and doesn't require as much time. Soon I am leaving town for a week, and don't want to have to rope the neighbors into adding acid while I am gone. So it would be great to have something that I can leave alone for short periods and not have to worry about it.

Let's hear it, is there a favorite?
 
I keep the TA steady at 70. I thought of adding borates, which should slow down the swings, and plenty of people seem happy with that, but haven't done that yet.

I think there are 2 other factors that contribute. My incoming water has a PH greater than 8. And I have an elevated spa, but just one pump. So I really have no way to separate the water without water falling from the elevated spa into the pool. That aerates the water and likely increases the PH some. But I have even limited that exchange to just 4 days per week long enough to completely cycle out the spa water.
 
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