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Thread: New IC40 reads salt higher than pool store tests

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    New IC40 reads salt higher than pool store tests

    A few weeks ago I replaced my Intellichlor IC40. Seems to work fine (green lights, cell goes on), but when I bring my water samples in the pool store reading is always lower than what I get from the wall panel reading (about 500ppm lower). Is there anything can do to get the readings to better line up with the pool store readings? The store guys tell me to calibrate... but its a newer version (3.xx) and so it can't be calibrated (or so I have read).

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: New IC40 reads salt higher than pool store tests

    Welcome to TFP!

    Just ignore the store readings and believe in the SWG. Pool stores are commonly way off on their salt tests.
    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: New IC40 reads salt higher than pool store tests

    Many thanks, both for the welcome and the response. I need to do a much better job taking care of the pool (its a 7 year old pool, so its time I learned to take better care of it!!). I will have all sorts of questions and appreciate all the advice and guidance!
    15x30' (3'6" to 6") Pebbletec, 6'x9' spa, moss rock waterfall feature, 2hp Pentair Whisperflow, Pentair 60fns DE, EasyTouch controls, 1.5hp Polaris blower, 2 SAM lights, MasterTemp heater. Located in The Woodlands, TX

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    Richard320's Avatar
    Join Date
    Jan 2010
    San Dimas, CA (LA County)

    Re: New IC40 reads salt higher than pool store tests


    If the SWG is happy, you should be, too.

    You can always get your own salt test kit. You should have your own test kit for the rest of the stuff, or you'll forever be at the mercy of the pool store.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: New IC40 reads salt higher than pool store tests

    I rely on the salt readings from the cell. When I opened my pool this year, I added salt based on the cell readings and it came out perfectly. I actually have strips that I bought along with my TF Test Kit and they're pretty much worthless. They never read anywhere close to what the cell does.
    DIY 28x38x18 Full L, 26,000 gallons, Pentair VS Pump, SWG, CCP 420 Filter, Sta-Rite Max-E-Therm SR400HD Heater, EasyTouch Controller

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