Hello, we are doing a acid start up after a replaster. We have NPT quartzscapes and their startup guide says to get alkalinity to 80ppm. We ended up overshooting to 130 when we tried to raise the ph. We have been running fountains in a effort to aerate to bring PH up without effecting alkalinity. So now after adding more acid we are at 110 and PH is still low around 7.0. So where is a acceptable alkalinity range for new plaster, can it be 70-100 or does it need to be 80?
Alkalinity for new plaster
- Thread starter Jettech22
- Start date
- May 3, 2014
- 58,749
- Pool Size
- 6000
- Surface
- Fiberglass
- Chlorine
- Salt Water Generator
- SWG Type
- Pentair Intellichlor IC-40
TA by itself is not the issue. It is a combination of TA, CH, pH, and other chemistry that is used to calculate CSI. With new plaster, you want to keep your CSI above 0 (but under 0.5)for the first month or so.
Thanks that makes sense, any pointers to raise the ph without effecting TA?