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I moved away from my house for 4.5 years and recently moved back in. After finally getting the water under control after the pool service managed to run the numbers out of control (280+ CYA) I am now dealing with the issue of high pressure. I bought new cartridges about 5 years ago. They look...

My latest levels are: FC 7.0 CC 0.0 TA 130 CH 190 PH 7.0 (still working TA down) CYA 65 I was reading about the recommended levels. My fill water has high TA, my pool gets a lot of direct sunlight here in California. With a plaster pool and these conditions, should any of the TFP target...

Ok thanks for the advice!

Yeah my chlorine level is high because I am shocking the pool to start with. I simultaneously drained and refilled the pool, and there had been algae, so I am starting by shocking, and working the TA down. The water looks great now and I am happy to have things under control. As far as the...

I ended up getting new cartridges. The old ones definitely look pretty beat up compared to the new ones, not just dirty, but worn, and the filter media doesn't look good, even when "cleaned". One of the things I noticed about the old ones was that they were causing the air filter to become...

Thanks for the replies. No I am just using household bleach, I don't plan on adding any CYA now that I have it in a normal range. That is what was my demise before realizing that the chlorine tabs were building up CYA. Now the water is: FC-18 CC-0.5 TA-210 CH-140 PH-7.5 CYA-65 I am working...

Ok, thank you, that's what I suspected. I just cleaned my filter, and it went down to 15PSI, which is about right, but it is almost already back to 25PSI and within only a few days. Just looking at them they seem really old, so I think it is probably about time to get some new ones. Thanks...

Thank you for the advice, I'll do that, and with a current level of CH 140, the plaster will be ok while I work on the TA? BTW, thank you for providing such a great informative site!

I live in the Central Valley, CA. I had to drain/refill almost all my water because of extremely high CYA levels. My pool water also had really high TA, but normal levels of CH for a plaster pool. TA-350, CH-240. However, my tap water has high TA and low CH. I am still working the CYA levels...

Thanks for the responses! I just have no idea about how old they are since I never spoke with the old owner when I bought the house. The retaining straps are quite worn looking and almost to the breaking point so while the filter seems to be working fine, I think they probably will need to be...

Hi all, sorry if this has already been answered but I couldn't seem to find it. I just bought a house in Dec 2008 with a 15k gunite pool, my filter is a sta-rite system 3. I found the manual online and have looked around the internet but could not find a good answer. I wanted to know from...

Hi everyone, I bought a house with my first pool over a year ago. My friend recommended this site and I am glad to have found it. I am in the process of fixing my water, and am glad to stop going to pool stores :rant: . With CYA that was wayyy out of control :grrrr: , I finally now know...