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    Can't get the PH down

    Is there another way to test PH except the pink color test? have put 2 gallon of muriatic acid in and it is still at 8.0 (I think anyway, have a hard time distinquishing the intensity of the pink color). TA is 290 -- it has come down some. FC is 4.0 tonight. Put a new liner in this spring...
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    Replace vinyl liner when closing -- or wait until opening?

    Liner is at least 14 years old -- has tear in corner and many discolorations -- will have to get some bids on replacing and wondering your recommendation of best time to do it? Thanks -- still learning a lot TFP! 15,000 gallon AGP Missouri Vinyl over concrete walls (I think)
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    Is it mustard algae?

    Pool is still a bit cloudy -- in the deep end -- and there is brownish/yellow stuff around the water line --- also still some patches of brown/yellow on the floor that will not scrub off. I'm not sure if this is mustard algae or not. All the white areas (steps, outlets) are brownish. Pool...
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    Can't get a CYA number with TF-100 - what am I doing wrong

    New to this method -- and so far the CYA test -- really get no number as I can always see the dot in the tube when full of water to the top. Must be doing something wrong. Pool has cleared up a lot, but still is a bit murky in the deep end. Fearful might have some mustard algae --- My...