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    Slamming with high CYA - am I done?

    Thanks pooklv! I'll be monitoring FC and will let it dip to 9, measure pH, TA etc and then kick the FC back up to perhaps 13 and check with you before making any adjustments on the non-FC paramaters. Warm regards
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    Slamming with high CYA - am I done?

    QRe: Slamming with high CYA - am I done? pooklv, I'm very grateful for your generous and expert assistance. My FC level is ticking down after the slam, currently FC=29, CC=0. (I used a sample not diluted with RO water for max accuracy -- 58 drops of R-0871) Currently I have concerns...
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    Slamming with high CYA - am I done?

    Thanks pooklv. The chart links you posted are a great reference. The fill water in my area starts with calcium at 325 so it's a constant battle to keep it from rising over time. I'm in southern California where the summers are warm - generally 65-85 degrees, with a few days hitting 90...
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    Liquidiator WS - if it is calcium could the device be useful to lower calcium levels?

    Thanks, I'll factor your thoughtful guidance into my decision on the Liquidator. Are SWG's worth considering -- are they the greatest or or their downsides with them as well>
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    Liquidiator WS - if it is calcium could the device be useful to lower calcium levels?

    I was thinking about getting a Liquidator, but I've not digested all the pros and cons from the discussions on this forum. However, living in an area where the fill water is extremely hard and has a great deal of calcium, I was wondering if the WS that precipitates out in the bottom of the...
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    Slamming with high CYA - am I done?

    I updated my signature, apologies for my earlier oversight.
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    Slamming with high CYA - am I done?

    Thanks Woodyp and Beens, I used the Taylor "sample sizer" tool with the Taylor graduated cylinder to prepare one pool sample and three RO samples for each test. My final 10PM test and the re-dawn test used the exact same number of drops of reagent. Thus it would seem that if the test was not...
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    Slamming with high CYA - am I done?

    25,000 gallon in ground plaster pool, variable speed pump, DE filter. Currently using manual chlorination and acid using liquid chlorine and liquid muriatic acid. Recovering from excessive use of ch tabs by former pool guy. Location, southern California. Before I learned enough from this site...