High TA

[ranger052]

Hello,

Totally new to the pool world.
Received my new TF-Pro kit. Did the whole testing and I am getting 7.5 PH and 110 TA but the app is giving me conflicting recommendations.

The app under PH is recommending I add soda to increase PH to 7.6 meanwhile under TA it recommends to add acid to lower TA…..

Photo attached and for PH measurements I am using the 5 drops with the Taylor 9781 Block which is the same as the one that came with the kit.

Pool info:
- Chlorine Pool
- 11k gallons
- Current water temps 67F
- Water look clean and clear.

Any advise?

Thanks!

 

[Texas Splash]

Wait until the pH reaches 7-8 to 8.0, Once it does, use enough muriatic acid to lower the pH to about 7.2. Each time you do that it should help to lower the TA a bit as long as you don't have to add new water to the pool. It will take a few repeating acid sessions, but over time it helps to lower the TA. You could also aerate the water to help promote a rise in pH for this exercise, but in your case I don't think it's a huge rush.

 

[ranger052]

Wait until the pH reaches 7-8 to 8.0, Once it does, use enough muriatic acid to lower the pH to about 7.2. Each time you do that it should help to lower the TA a bit as long as you don't have to add new water to the pool. It will take a few repeating acid sessions, but over time it helps to lower the TA. You could also aerate the water to help promote a rise in pH for this exercise, but in your case I don't think it's a huge rush.

Thank you!
I have a spillover SPA which auto spill 4 times a day for 15 minutes, that usually raise the PH enough to add acid every 2 weeks.

I also never need to add water because here in FL it rains a lot and the pool is always full

 

[HermanTX]

Hello,

Totally new to the pool world.
Received my new TF-Pro kit. Did the whole testing and I am getting 7.5 PH and 110 TA but the app is giving me conflicting recommendations.

The app under PH is recommending I add soda to increase PH to 7.6 meanwhile under TA it recommends to add acid to lower TA…..

Photo attached and for PH measurements I am using the 5 drops with the Taylor 9781 Block which is the same as the one that came with the kit.

Pool info:
- Chlorine Pool
- 11k gallons
- Current water temps 67F
- Water look clean and clear.

Any advise?

Thanks!

Also take note of the terms “ideal range” and “recommended range”. If you are outside the recommended range then I would consider taking action as suggested by @Texas Splash to lower TA over time. It will not happen quickly.

Also, go to the SETTING icon and turn on CSI. This will be a calculation considering all the test results and provide an overall condition of your pool. Again, there is a IDEAL range and a RECOMMENDED range - so long as you are in recommended range for CSI then all is good.

 

[ranger052]

Also take note of the terms “ideal range” and “recommended range”. If you are outside the recommended range then I would consider taking action as suggested by @Texas Splash to lower TA over time. It will not happen quickly.

Also, go to the SETTING icon and turn on CSI. This will be a calculation considering all the test results and provide an overall condition of your pool. Again, there is a IDEAL range and a RECOMMENDED range - so long as you are in recommended range for CSI then all is good.

Thank you.

Added CSI and it looks good

 

[JamesW]

Based on the CSI, I would leave it alone and add nothing.

If the CSI goes above 0.0, only then lower the pH and only enough to make the CSI 0.0.

 

[JamesW]

For example, if the pH went up to 7.8, the CSI would be 0.19 and you should lower the pH to 7.6 to get back to a CSI of -0.02.

Note that the TA will drop by about 3 ppm when lowering the pH from 7.8 to 7.6.

What is the salinity?

If you do not know, you should begin to track it as well with a K-1766 salt test kit.

Taylor K-1766 Salt Test Kit

tftestkits.net

 

[ranger052]

For example, if the pH went up to 7.8, the CSI would be 0.19 and you should lower the pH to 7.6 to get back to a CSI of -0.02.

Note that the TA will drop by about 3 ppm when lowering the pH from 7.8 to 7.6.

What is the salinity?

If you do not know, you should begin to track it as well with a K-1766 salt test kit.

Taylor K-1766 Salt Test Kit

tftestkits.net

View attachment 632348

Thank you James.

Not salt, just a chlorine pool.

 

[JamesW]

Not salt, just a chlorine pool.

In my opinion, still super important to track salinity.

 

[Newdude]

In my opinion, still super important to track salinity.

+1. We've seen liquid chlorine pools with 4k+

 

[ranger052]

In my opinion, still super important to track salinity.

I will look into it, I had no idea it was needed for a chlorine pool. Thanks for sharing.

 

[JamesW]

TFP is a registered 501(c)3 non-profit that is maintained by user donations.

The people who answer questions are volunteers.

If you find the site to be a good resource, please consider making a donation to help support the site.

Thanks.

Become a TFP Supporter

Help Support TFP Trouble Free Pool is run by a dedicated group of volunteers that … Read more…

www.troublefreepool.com