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Thread: Pool eating salt, no way!

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    Pool eating salt, no way!

    Few days ago my salt level was 2800 so I added enough to get it to 3250, just checked it again with a strip and the readout on my controller and it's down to 2700. The SWG even says low salt? Possible?
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    JasonLion's Avatar
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    Re: Pool eating salt, no way!

    There are three possibilities. The more likely one is that your SWG cell is right on the edge of failing. When the cell is failing the reads salt lower and lower. The second is that calcium scaling on the SWG cell plates is mimicking the same symptoms you get when the cell is failing. The remaining possibility is that you have a lot of water replacement going on, for example a leak combined with an autofill system.
    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: Pool eating salt, no way!

    Ok, SWG exactly 14 months old I wouldn't think it would be trash so soon. Just cleaned SWG in May before opening and it wasn't even scaling hardly at all. No auto fill system and no apparent leak plus strip test agreed with SWG. What can I do now? Easy touch was in service mode while it showed that does that matter?
    Thank you for the help.
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    Mod Squad jblizzle's Avatar
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    Re: Pool eating salt, no way!

    What SWG do you have? That is a big pool.
    Jason, TFP Moderator
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    Re: Pool eating salt, no way!

    Intellichlor IC40
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    Mod Squad jblizzle's Avatar
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    Re: Pool eating salt, no way!

    We recommend sizing cell 1.5-3 times the size of the pool. Were you having to run it near full capacity all the time? Might explain why it died if it is dead.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: Pool eating salt, no way!

    70% for 10 hours, do you think it has died? How do you test it?
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    Mod Squad jblizzle's Avatar
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    Re: Pool eating salt, no way!

    That is not as much running as I was expecting.

    Many pool stores can test the cells. On the Hayward, there are sensors on one end that you have to be sure to clean.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: Pool eating salt, no way!

    Just got 160 lbs of salt. Think I am messing up if I add it?
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    Mod Squad jblizzle's Avatar
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    Re: Pool eating salt, no way!

    Have you tested the salt level?
    Jason, TFP Moderator
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    Re: Pool eating salt, no way!

    Yes with a strip and SWG They both say about 2700
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    Re: Pool eating salt, no way!

    I added the 160# and gonna let pump run tonight and check it in the morning.
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    Re: Pool eating salt, no way!

    This morning when I checked the SWG the salt level was 3300, I will check it again at lunch and then after work I will do a full round of tests with my TF-100 and see where I stand.

    any ideas on what is going on with the salt level?
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    zimm's Avatar
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    Re: Pool eating salt, no way!

    What's going on is I bet your test strips are not accurate. Buy the Taylor salt testing kit, much better.

    http://tftestkits.net/K-1766-Taylor-Salt-Test-p31.html
    45'x12' 17k gal, IG plaster, Pool Pilot Nano+ SWG, 1/2hp Whisperflo pump, PAC-FAB TA-60D sand filter, Raypak 266 heater
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    Re: Pool eating salt, no way!

    But the SWG and the strips said basically the same thing when I tested the water. Both read around 2700
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    Re: Pool eating salt, no way!

    Came home at lunch and SWG shows 3150. Down from 3300 this morning? What is going on?
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    Re: Pool eating salt, no way!

    Mine fluctuates 100-200ppm all the time on the display. But I've had no luck with strips. Buy the K1766 kit as mentioned.
    24'x40' 25k gal Imperial Mountain Pond IGP, full 28 mil VynAll Ocean Breakers liner. All Hayward system: 140k BTU HeatPro heat pump, 3/4HP single speed TriStar 2" Pump, DE6020 filter, AquaPlus Automation/Salt Chlorination, remote controls, ColorLogic 4.0 lighting. Polaris 280 w/PB4-60 BP. TF100 & K1766 test kits. Rinox Palazzo pavers and Spherik coping. Pool installed 9/2013, project completed 6/16/14.

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    Re: Pool eating salt, no way!

    I can understand the fluctuation of the SWG readout, but mine in steadily dropping. It was down to 3050 this morning from 3150 yesterday at lunch time. I called Pentair yesterday and they told me to just wait a few days after adding salt for a true reading. I do not know what to do if it keeps dropping and goes below the 2700 cut off. It will stop making FC. I am going to order the salt test kit but that won't do me any good if I'm not making any FC in the mean time.
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    Re: Pool eating salt, no way!

    Opened pool and salt level said 2800. TF salt kit says 3400. I have waited one week before posting this and am wondering if I need to clean cell to see it build up is causing the problem. ideas?
    20x49 double roman 3.5' to 8.5 deep', 44,000 gal. SWG, TF-100 test kit with speed stir, concrete walls with vinyl liner, cartridge filter on an IG pool with a 1hp main pump and 1.5hp booster pump. Pool built April 2013

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    Mod Squad jblizzle's Avatar
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    Re: Pool eating salt, no way!

    Could be a dirty cell or failing cell.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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