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  1. J

    Nitrate Level Dropped from 10PPM to 5PPM

    My pool was perfectly balanced and overnight it started getting green. I had the pool store test the water and they found nitrates, it tested to a 10 PPM. I drained the 27,000 gallon pool to about a foot of water in the shallow end. I refilled it and let the water circulate overnight. I had...
  2. J

    Phosphate Challenge

    I have my water tested at a reliable pool store. They have a great reputation and I trust their results. When I opened the pool a month ago I had them test the water. They found high nitrates, which I corrected by draining. They also found high phosphates. I have gone through three bottles...
  3. J

    Hayward motor failed after 3 years

    I replaced my pump with a Hayward c48k2n143b1 three seasons ago. This year when I started it up I found it was jammed. I was able to unjam it and it was noisy. The bearings were going. I let it run about 4 hours and it just died. Won’t turn on at all. Question. Three seasons seems...
  4. J

    Just got my TF-100 XL

    So I have been struggling with my pool all summer. It is not clear and is turning green. I run the filter constantly and have been fracking it ever week. I ordered the TF-100 and want to start enjoying my pool So let's go. Here are my results. FC 29 CC 1 TC 31 CH 150 TA 120 CYA 65 I...
  5. J

    Is my sand filter messed up?

    I have an in ground 25,000 gallon vynyl pool. In the beginning of the season it was clear and clean. I have a Hayward sand filter. I changed the internals of the sand filter this year and replaced the sand. After I did this the pool was great. I went on vacation and came back and the pool...
  6. J

    Brown Stains - Need advice

    I bought a house with a pool - and I had the pool open last year - the vinyl liner needs to be replaced as it has slight stains and it is old. However I used the pool last year and enjoyed it. When I opened it this year the liner had brown stains all over. I tested the water for metals and it...
  7. J

    Green Stains - Cant Clean - HELP!

    I bought a house with a pool. The pool was closed for at least 2 years - maybe longer. It is in ground and a vinyl liner and 21,000 gallons. It was a pond when I opened it - but have made great progress. The water is crystal clear. The bottom and sides have green stains. I have shocked it...
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