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Thread: Impact of Salt Water Chlorinator on Oklahoma Flagstone

  1. Back To Top    #1

    Join Date
    Sep 2013
    Houston, Texas

    Impact of Salt Water Chlorinator on Oklahoma Flagstone

    I have Pentair pool equipment and am considering switching to a salt water chlorinator so that I don't have to add liquid bleach to my pool every day. I am concerned the salt water system will eat away at my Oklahoma flagstone. If I seal the flagstone, will I still have a problem with a salt water system?
    The size of my pool in gallons 29,453. The pool is inground and Pebble Tec. I have a Pentair IC40 Salt Cell.
    The pool was finished and filled on 10/11/13 and I am using a TF-100 Water Testing Kit
    The pool has a "12" raised spa with a negative edge spillway. The pool cleaner is a Pentair Legion Platinum Grey

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: Impact of Salt Water Chlorinator on Oklahoma Flagstone

    Maybe. We see reports or people having the flagstone fall apart and we see reports of people that say it is not a problem. Most of the bad reports seem to come from TX with Oklahoma flagstone I think.

    IMO, you want to choose either stone or a SWG to avoid problems. But, if you were VERY diligent sealing everything, you might be ok.
    Jason, TFP Moderator
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  3. Back To Top    #3

    Join Date
    Jul 2014
    Peoria, IL

    Re: Impact of Salt Water Chlorinator on Oklahoma Flagstone

    I would consider a Stenner pump and liquid chlorine as opposed to the SWG. It will give you fits with that flagstone. The pump will lower your efforts and save you from constantly sealing your pool deck.

    Sent from my iPhone using Tapatalk
    30x20 vinyl IG, Hayward SD60 with Pentair Dynamo 340219 2HP pump, Compupool CPSC24 SWG, Hayward H200FDN heater. APC automatic pool cover.
    Central Illinois

  4. Back To Top    #4

    Join Date
    Jul 2012
    Central Texas

    Re: Impact of Salt Water Chlorinator on Oklahoma Flagstone

    I have the setup you describe....SWCG and natural flagstone, and am also in Central Texas. It was sealed by builder upon completion 2 years ago. I have not seen any evidence of the flagstone being eaten away. I plan to seal the flagstone again shortly and contacted my builder for the recommended product. Got the recommendation and a local supplier.

    I also have huge pieces of flagstone down in the back yard as stepping stones leading to the pool and smaller ones to the pad area and all around the pad. They all get copious amount of salt water on them. Not to mention the sprinkler system which is way worse than the pool. Again, no known issues. I regularly inspect for any cracks, crevices, chips, flakes, etc.

    Now I do not know if mine is Oklahoma flagstone or not. I've never heard that modifier on it....but I never heard of different types of flagstones when we were discussing coping choices with my builder.
    Central TX / 12K GAL / IG / SWG / DE filter / Pentair SVRS & 3 swim jet pumps / Spa bench and jets / Single body of water / No heater.

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