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    Pea sized black spot

    Hello Fellow Pool Boys and Girls, We just finished building our pool about a month ago. Unfortunately, we've developed a pea sized spot with a black center and brownish cloud moving away from the center. I tried placing a chlorine tab on the spot, for approximately a week, and brushed...
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    SLAM water is clear with a green tint

    Hello TFP, I am on day 4 of the SLAM process. I have passed the OCLT and my water is clear. My CC is 1 ppm so I know I need to continue SLAM'n. My water has a greenish tint to it. I'm planning on taking my water into the pool store for metal testing. After reading on here, I believe I may...
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    Low cya and other issues

    Hello, So this is my first season following advice of TFP. This is only my second year being a pool owner. My readings are as follows: FC 5 CC .5 or less pH 7.8 CH 275 TA 90 CYA 20 A few nights ago I did an OCLT and loss more than 1 ppm. I new something was up. I had a huge bather load over...
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    Pool water becomes cloudy while running pool cleaner

    My pool water becomes somewhat cloudy while my pool cleaner is running. I run my P39 for 2 hours each day and during this time the water goes from clear to slighty cloudy. After the pool cleaner has run, the water returns to clear after a few hours. If I do not run the cleaner, the water...
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    Should I add baking soda?

    I've been testing my pool water for a few months now. We just had some rain and for the first time my TA is out of range at 140. According to Pool Math, I should add 70 oz by weight or 56 oz by volume to lower TA to 120. Should I add baking soda? I thought I read not to lower TA just to reach to...
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    Pool light housing will not attach to pebbletec

    When we moved into our home, the pool light fixture was removed by the previous owner.I found a brand new fixture in the garage. I ran the cord through the conduit and hopped in the pool to attach the fixture This proved more difficult than I ever imagined. The pilot screw, on the new fixture...
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    New to testing and adding chemicals

    Hello, I ran into some pool problems this winter (pool pump and booster pump needed to be resealed and impeller replaced). I also had very high CYA levels. I partially drained my pool and have made the repairs. I just tested my water. Here are my results: 15,000 gallons Water temp 60 degrees...
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    Pentair light upgrade to color changing LED

    Good Morning, I recently moved into a home with a pool. I noticed that the glass lens was removed from the pool light housing. I found a brand new Pentair pool light w/ cord (P/N 78458100) boxed in the garage. The specs are as follows: AM SS 500W 120V 50'. There was also a small bulb and...
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    Elbow leaking, pool pump basket melted

    I woke up to my waterfall frozen and a sheet of ice on my pools surface. My water level decreased about 2 inches. Following advice from TX Splash, I refilled my pool and used pool noodles to keep the skimmer doors open as well as prevent ice from forming in the skimmer. Well I went to work for...
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    Pool frozen, Waterfall not working

    Good Morning! Last night the temps dropped to 10 degrees, I woke up to a thin layer of ice and pool pump was making a horrible sound. The water level dropped about 2inches. When I looked to see if water was running at the pump (looked thru the clear cover), I do not believe I saw any water. I...
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    Just used the TF-100 for the first time. High CYA

    Hello! First time posting. I finally opened my TF-100 and tested my pool water. I've relied on Leslie's far too long, wasted money, and have a lot of chemicals which most likely raised my CYA level. I plan on reading through this forum extensively. It appears the best way to decrease CYA levels...