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  1. G

    can old pool plaster affect pH?

    Is there a difference between conditioner and stabilizer? CYA seems to be the ingredient for both. My stabilizer level is at least 150 ppm, so indeed it could be way too high. Is chlorine less effective with too much stabilizer? That would suggest I am adding too much chlorine to battle the...
  2. G

    can old pool plaster affect pH?

    Thanks for the replies. I am chlorinating with pucks and adding shock about every 2-4 weeks during the summer. The total alkalinity of pool water is at least 180 ppm. I'm using a strip tester so it could be more. The TA of the fill water is also at least 180 ppm. I don't have problems with...
  3. G

    can old pool plaster affect pH?

    Could old pool plaster be why my water is very acidic? I bought a house with a gunite pool about 3 years ago. I never asked when the pool was built or if it was ever re-plastered. So let's assume the pool was built in 1980 and it was never re-plastered. I have to add soda ash about every...