I am having a similar problem. I have my TA for the last week at 140 and PH around 7.2 to 7.4. Today PH was 7.0 and TA reduced to 130 with aeration. What should i be doing to get it lower?
My TA for the last week at 140
- Thread starter Wiggledog
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Re: Cannot lower TA to 100 after aeration
Why do you need it lower? Do you have water features or an SWG? If not, then TA of 130 is fine.
Why do you need it lower? Do you have water features or an SWG? If not, then TA of 130 is fine.
Re: Cannot lower TA to 100 after aeration
If 130 to 140 is fine I will stay with it. I thought it needed to be around 70 to 100.
If 130 to 140 is fine I will stay with it. I thought it needed to be around 70 to 100.
Re: Cannot lower TA to 100 after aeration
High TA is only an issue because it causes PH to drift up. If you have a source of aeration like an SWG or water features, the drift can be rapid. High PH is the real culprit.
High TA is only an issue because it causes PH to drift up. If you have a source of aeration like an SWG or water features, the drift can be rapid. High PH is the real culprit.
Re: Cannot lower TA to 100 after aeration
This is the reason why I've been trying to lower TA. When it was higher, the pH clearly drifted back up after adding acid before I started to aerate. What I don't know is whether 130 is a level that will keep the pH stable and in range, since the normal recommendation is 80-120.
This is the reason why I've been trying to lower TA. When it was higher, the pH clearly drifted back up after adding acid before I started to aerate. What I don't know is whether 130 is a level that will keep the pH stable and in range, since the normal recommendation is 80-120.
Moving from 130 to 140 will have little affect. Shoot for 90-100 and see what that does.
There is an article in Pool School that will tell you how to lower pH through the aeration/acid method.
There is an article in Pool School that will tell you how to lower pH through the aeration/acid method.
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