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    I have dead algae too..and high CYA

    Having the same issue with dead algae… seems to return each day, even after vacuuming. Used the test kit, and as best can tell my FC is 11 ppm, CC is .5, but my CYA test seems way too high… 100+ ?! Added the drops, cloud obscures the black dot, but the level is not even under up to 100? Must be...
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    Anyone know what this fitting does?

    Does anyone know just what the function is of this valve piece seen below? Whenever the pump is turned off it starts leaking water? Is this normal... broken.. can it be bypassed or replaced... or? Little help... please? Thanks, --- Nicodemus
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    Pool NOOB, basic chemistry purposes?

    Ok, admitted new pool owner… purchased the TF100 test kit and am a tad overwhelmed. Please help simplify all these test options. Am I correct in saying: Water in the pool needs to be balanced between its acidity vs. base. (Ph) level of 7.2 to 8.0. Chlorine is added to the water to kill...