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Maintaining PH level

13 years ago

This season I am having trouble maintaining PH level above 7.2. In addition, the FC has been within normal range for 33000 gal, vinyl liner pool - so I thought, but I was getting green algae on stairs at deep end. After reading some threads here and on trouble free pools, if I understood correctly, my CYA was 80 and therefore, my FC was too low. I turned off my chlorinator with the pucks and raised my FC. Today when I checked the water it is as follows:
FC 7
CC 0
TA 130
PH 7.2
CYA 70
The water has been clear all season. It actually looks good.

Can I swim in it?
Do I aerate the water to bring the PH up? Will this lower the TA?
Any other suggestions?

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Comments (2)

thejimbar
13 years ago
These numbers look pretty good to me. FC should be about 10% of CYA so you are right on. TA is a little high but not uncommon for people having low ph issues.

My advice is to add some ph increaser to get the level up a bit. Then address TA number if needed. Ignoring low ph can cause equipment issues and skin/eye irritations.
Karen Eagle
Original Author
13 years ago
Thanks thejimbar. I added a little ph increaser and will check the TA and ph before adding more.
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