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Thread: Should salt turn water cloudy??

  1. Back To Top    #1

    Join Date
    Sep 2014
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    Clarkston, MI
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    30

    Should salt turn water cloudy??

    I have installed my Circupool Si-60 SWG, but haven't powered it up yet. I wanted to get the water balanced and warmed up first. Yesterday, with 63 degF water, I dumped 15 bags (600lbs) of Diamond Crystal blue solar salt into it. If I'm doing my Poolmath correctly, starting from 400ppm of salt, I should need about 900lbs of salt to get to 3500ppm. I wanted to creep up on the target rather than overshoot it, so I started with just 600lbs. I immediately noticed the returns turn a milky color as the dissolved salt started moving through the system. My water clouded over a lot and the salt took a lot longer to dissolve than I was expecting from reading posts here (a few hours rather than 30-60 minutes I was expecting). Annoyed with the delay, I turned my robot loose to suck it off the bottom and into the system (with the filter set to recirculate). After it all seemed to be dissolved, I switched back to normal filtering.

    Today, after 20 hours of filtering, the water is still a little cloudier than it was before adding salt. Is this a normal side effect of the salt in super cold water temps, or is there something else I should be concerned with?

    My only first-hand experience with a SWG pool is my neighbor's, which looked pretty crystal clear to me, so I'm assuming salt should have zero effect on water clarity. Correct?

    I didn't manage to get a test in tonight after work, but my results as of yesterday evening (prior to adding the final 3 bags of salt) were:
    Salt: 2800 (per the Taylor drop test kit, not strips)
    FC: 21.5
    CC: 0
    CH: 125
    TA: 180
    CYA: 70

    Prior to bumping up my FC, my PH was at 7.3~7.5. I raised the FC because the water seemed to have a greenish hue to it. Upon opening this past Saturday, I have had three 50% drain/refills to slowly get the CYA from 200+ down to a manageable level. I filled with well water, so it's possible the supply water has some iron in it causing the green tint.

    Any suggestions/guidance would be greatly welcomed. I've spent all winter reading about TFP methods (after buying this house late last winter and following the puck method the pool-stored previous owner had) and now I want to start the season off correctly.

    Rob
    ~35K gallon, 20x40 in-ground w/vinyl liner, slide/diving board, Circupool Si-60 SWG, Pentair Tagelus TA-50 sand filter, 1HP single speed pump, Pentair Minimax NT POS heater, TF-100XL w/speedstir

  2. Back To Top    #2
    JasonLion's Avatar
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    May 2007
    Location
    Silver Spring, MD
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    37,879

    Re: Should salt turn water cloudy??

    No that is not normal. Salt might cause a little local cloudiness right when you add it, but cloudiness that sticks around is very unusual.

    Your TA is a bit high. There is a remote chance that you had a little calcium clouding, but that seems unlikely. You can confirm if this is an issue by lower PH below 7.7, if it isn't below there already.
    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

  3. Back To Top    #3

    Join Date
    Sep 2014
    Location
    Clarkston, MI
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    Re: Should salt turn water cloudy??

    I didn't add any chlorine today, so I expect it will be below 10 tomorrow and I'll be able to get another PH reading.

    Also, I "fixed" (hot wired) my broken heater thermostat, so I'm actively warming up the water now.. maybe that will help.
    ~35K gallon, 20x40 in-ground w/vinyl liner, slide/diving board, Circupool Si-60 SWG, Pentair Tagelus TA-50 sand filter, 1HP single speed pump, Pentair Minimax NT POS heater, TF-100XL w/speedstir

  4. Back To Top    #4

    Join Date
    Sep 2014
    Location
    Clarkston, MI
    Posts
    30

    Re: Should salt turn water cloudy??

    24 hours later, with more mixing and water temp up to the low 70's, the water returned to crystal clear.

    I fired up my SWG for the first time and it seems to be doing something.
    ~35K gallon, 20x40 in-ground w/vinyl liner, slide/diving board, Circupool Si-60 SWG, Pentair Tagelus TA-50 sand filter, 1HP single speed pump, Pentair Minimax NT POS heater, TF-100XL w/speedstir

  5. Back To Top    #5
    Mod Squad pooldv's Avatar
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    Aug 2012
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    Re: Should salt turn water cloudy??

    Sweet!
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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