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Thread: Pool in Phoenix AZ high CYA help!

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    Pool in Phoenix AZ high CYA help!

    I have in ground plaster pool 11k CYA 180 ph fine losing chlorine quickly unfortunately used tabs in floater tried Bio-active CYA reducer 2 bags slight difference too hot to drain pool now I think was drained 1 1/2 years ago. Leslies keeps saying add shock I am water gets cloudy and then clears next day but can't maintain chlorine level. I am thinking shock with liquid bleach any ideas what to do at least use pool through summer until winter when Temps drop and then will drain and start over.

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    Patrick_B's Avatar
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    Re: Pool in Phoenix AZ high CYA help!

    Hey frantz,

    Welcome to TFP,

    We can help, but you'll need to get your own testing kit, and be able to make sense of what it's telling you. Knowledge is key to that, but its all here, and we will help you learn it. But, choosing to mix our advice with theirs will only add frustration for you. We don't want that to happen.

    To clear the pool you'll need to SLAM it, but at your Cya level its nearly impossible. It just takes an unreasonable amount of Chlorine. You really need to get that number down, and the only reliable way is to drain, and not add any more shock like Dichlor or Trichlor. You may not want Cal-Hypo shock either as most Southwest water has high hardness. Why can't you exchange any water right now?
    TFP Moderator
    Essential Links:
    ABC's Of Pool Chemistry, Test Kits, SLAM Your Pool
    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

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    Mod Squad YippeeSkippy's Avatar
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    Re: Pool in Phoenix AZ high CYA help!

    Can you have a Reverse Osmosis company come out and do their magic on your pool water? It is like dialysis for pools, and will lower all your chemical levels yet without draining the pool. You can do this any time of the year.

    Yippee
    Maddie :) 12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
    Skippy's Pool Cooler --> Skippy's New Fountain Our Build --> Our Pool Solved Our Sloping Yard

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    Re: Pool in Phoenix AZ high CYA help!

    I found a company here in Phoenix area that just started doing RO like the ones that are offer in CA. I reached out to get a quote for my 18k pool and was quoted over the phone $650 said that it would only take a day. Have not used them yet so can't comment of level of service. I do not know if I am allowed to post the company name, if a moderator could chime in.

    1975, 18000 GL, Plaster never been re-plastered, 2 year Old Hayward Sand Filter, Very Old Pump made out of cast Iron, and Single Speed 1 HP motor. Mesa AZ

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    Patrick_B's Avatar
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    Re: Pool in Phoenix AZ high CYA help!

    Quote Originally Posted by roppy View Post
    I found a company here in Phoenix area that just started doing RO like the ones that are offer in CA. I reached out to get a quote for my 18k pool and was quoted over the phone $650 said that it would only take a day. Have not used them yet so can't comment of level of service. I do not know if I am allowed to post the company name, if a moderator could chime in.

    Sent from my Nexus 6P using Tapatalk
    There are times when it's allowed, and this could be a case where it is. Go ahead, but see rule #6 in the rules section for details.
    TFP Moderator
    Essential Links:
    ABC's Of Pool Chemistry, Test Kits, SLAM Your Pool
    28K Gal IG FreeForm, CLI Quartz, Pentair 36"SF & VS Pump, Dolphin M5, Rheem

  6. Back To Top    #6

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    Oct 2016
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    203

    Re: Pool in Phoenix AZ high CYA help!

    Too hot to drain because the plaster might shrink and crack?

    If that is your fear, you can still safely do a partial drain and refill several times to lower the CYA. You can also drain and refill by setting up a yard sprinkler on a garden hose to keep the plaster pool sides moist while the drain and refill is taking place.
    Dave in Phoenix, AZ, USA
    12,000 gallon IG (5' max depth) , Pebble-tec,
    Hayward SP2303 Maxflo 1.65 HP, Triton TR60 sand filter, 1 skimmer, Pool Devil skimmer, 3 returns, 1 aerator port, Navigator suction-side sweep, Hayward valve actuator, Rainbird sprinkler timer used for valve automation and chlorine injection. Softened water used for makeup.

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