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Thread: Cannot open Clearwater SWG to clean cells

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    Cannot open Clearwater SWG to clean cells

    Could do with any suggestions if you've come across this before.
    We just bought a house with a pool. I am trying to get everything up an running for the first time after a nasty Algae outbreak. The cells look quite calcified, but no matter how hard i try I cannot get the cover off to clean the cells.
    It's a Clearwater Saltwater Chlorinator.
    I am guessing that the calcium build-up might have stuck the cover or something.
    Any suggestions for how to free up the cover?
    How big a risk is it that the Calcification will damage the plates (It might take a few days to get someone in, so should I stop using it in the meantime?)
    Thanks for any advice,

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    Mod Squad zea3's Avatar
    Join Date
    Jul 2009
    Houston, Texas

    Re: Cannot open Clearwater SWG to clean cells

    Hi Nick, welcome to TFP! I found this little youtube video. Is your SWG made like this one? If so an oil filter wrench or strap wrench may help you open it up.
    TFP Moderator
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    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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    Join Date
    Jul 2007
    Brisbane, Australia

    Re: Cannot open Clearwater SWG to clean cells

    when you say 'quite calcified' how calcified do you mean?
    is the space between the plates fully filled with calcium?

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Cannot open Clearwater SWG to clean cells

    I don't have a suggestion for you except that I like the strap wrench idea so I'll just say: Welcome to TFP.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Join Date
    Aug 2010
    Queen Creek, AZ

    Re: Cannot open Clearwater SWG to clean cells

    Mine was the same way when I bought my house last year. The strap wrench will work to unscrew the black cap. What I really had trouble with was that the cells were so built up with mineral deposits the cell would not come out. I had to buy some de-calcifier or something like that and ran it for about 2 weeks to break the build up off the cell. After about 2 weeks I was able to inch it out little by little by pushing and pulling it with some force. Then soaked it for a while in a diluted acid bath. One helpful hint to get the calcium out between the plates with out damaging them is to use plastic tie wraps to poke the stuff out.
    Good luck that can be an expensive replacement.
    12,000 Peanut Pool
    Sand Filter
    Zodiac SWG
    In-ground Pebble tech
    Not sure on pump size

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