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Thread: conversion from baqua to chlorine where is the chlorine goin

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    conversion from baqua to chlorine where is the chlorine goin

    Every day my chlorine goes to zero. Did conversion from baqua to chlorine .followed all the steps. but now when i test the chlorine drops to zero every day. The only thing I didn't do is change the sand in the filter. Could this be the reason. Or is it something else. The ph goes to 7.8 the acid tests at 90 ppm. ant ideas/
    thanks
    hopscotch
    18000 gal in ground Hayward sand filter 1 1/2 hp motor

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    JasonLion's Avatar
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    Re: conversion from baqua to chlorine where is the chlorine goin

    Did you keep adding chlorine until the FC level held overnight?

    It can take really dramatic amounts of chlorine to do a baquacil conversion. During the early stages of the conversion, you add chlorine and it all vanishes in under an hour. That is normal, the chlorine is reacting with the baquacil. You continue adding chlorine until you can maintain a chlorine level.

    Take a look at the instructions at Pool School for all the steps in doing the conversion.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: conversion from baqua to chlorine where is the chlorine goin

    Quote Originally Posted by hopscotch
    The only thing I didn't do is change the sand in the filter. Could this be the reason. hopscotch
    There might be a LOT of Baqua-Goo still trapped in the sand.

    When we did our conversion, we had big clumps of slimy Baqua-stuff mixed in the sand. The chlorine will try to break down these clumps for a long time!!!

    Do change the sand. Wal-Mart sells them for about 6.00 per bag. (Lowe's has some filter sand, too; don't know this years price)
    12500 AGP 2HP Sand filter
    Five years on BBB & loving it!

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    JasonLion's Avatar
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    Re: conversion from baqua to chlorine where is the chlorine goin

    Do not change the sand until the FC level holds overnight. Otherwise you are just going to need to change the sand again when the FC level holds overnight.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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