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Thread: Changed to Potassium Chloride

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    Changed to Potassium Chloride

    How can I check the salt level for my pool. I just changed over to Potassium Chloride after filling my pool this year. My former testing was for sodium chloride. I don't know how to check the level with Potassium Chloride. Where can I get the appropriate test strip etc.
    SWG/24,000 gallon/DE filter/IG/Vinyl/Pentair48 120gpm/Built in 2011

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    JasonLion's Avatar
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    Re: Changed to Potassium Chloride

    The same salt test strips will still work correctly. The are measuring the chloride level, and ignore the sodium/potassium.

    Remember, when using potassium chloride, you need to use 17% more to get the same salt level.
    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: Potassium Chloride with SWG?

    I am changing over to Potassium Chloride from the Sodium Chloride. My reasoning is water from backwash, or lowering the pool can be placed onto my property without killing my plants etc. Sodium chloride does damage them. We are on top of a mountain and the back wash or excess water has to be placed someplace. Yes it is a good bit more expensive---but it only needs to be monitored and perhaps adjusted---not replaced after initially placing the potassium chloride in the pool. The majority remains in the water year around---and only amounts displaced need to be replaced.
    SWG/24,000 gallon/DE filter/IG/Vinyl/Pentair48 120gpm/Built in 2011

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    JasonLion's Avatar
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    May 2007
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    Re: Changed to Potassium Chloride

    Regular salt is hardly every an issue for plants. It only makes a difference if you live in an arid area (low rainfall) or if you are growing exotic or food plants. The average lawn grows far better when it is getting extra water from backwashing, salt or no salt.
    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: Changed to Potassium Chloride

    It was a problem for me. Not in an arid area. I am on a mountain top. And it did kill where it was discharged. So, Potassium Chloride a better choice. I spend a lot of time and effort on my landscaping and flowers. I don't want them killed with salt. Salt causes the plants to show the damage later---when it closes the plants way to accept moisture. They will turn yellowish and slowly die.
    SWG/24,000 gallon/DE filter/IG/Vinyl/Pentair48 120gpm/Built in 2011

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    Re: Changed to Potassium Chloride

    Thanks. The former test strips appear to be working as is my chlorine gen. which has a read out too. All working. I'll post after some time to let you know how well I like potassium chloride compared with former sodium chloride.
    SWG/24,000 gallon/DE filter/IG/Vinyl/Pentair48 120gpm/Built in 2011

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