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Thread: CH at 950 and the white flakes

  1. Back To Top    #1

    Join Date
    Dec 2007
    Location
    Phoenix AZ
    Posts
    5

    CH at 950 and the white flakes

    Although my pool water is clear and not giving me to much trouble, I noticed over the last 6 months of so I have geen getting the white flakes on the bottom of the pool and need to clean the SWG cell almost monthly now.

    My readings from last night.
    PH 7.5
    CYA 45
    TA 70
    CH 950
    Salt 3900

    After going through some of the older posts on high calcium it seems the best course of action is a 90% water replacement. The water coming out of the faucet tested at a CH of 200. I just wanted to make sure I was heading down the right path before I took such drastic measues.
    23,000 Gal Pebble Tech
    Hayward C4025 Cartridge filter
    Hayward 1.0 HP
    Autopilot SWG with SC-60
    TF-100 Test Kit

  2. Back To Top    #2

    Join Date
    Jun 2010
    Location
    San Antonio
    Posts
    424

    Re: CH at 950 and the white flakes

    I also have high calcium levels in my tap water. I just completed an 85% replacement. The procedure I followed that was recommended here was to drain and refill a foot at a time. The drain each time did not take too long, the fill took hours. But it worked.
    Larry in Texas

    Above ground 7,700 gallons, 19 inch sand filter ( 2 sq. ft.), Liquidator, and a WaterWay Hi-Flo Pump with an A.O. Smith 1 hp SF 1.0 motor.

  3. Back To Top    #3
    Mod Squad JohnT's Avatar
    Join Date
    Apr 2007
    Location
    SW Indiana
    Posts
    9,086

    Re: CH at 950 and the white flakes

    Welcome to TFP.

    Have you considered reverse osmosis? I don't know the cost, but it is available in your area.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

  4. Back To Top    #4
    Guest

    Re: CH at 950 and the white flakes

    R/O is a great option for you, and you will get back much better water than what you would get from a drain and refill. PM me if you need a referral in your area.

    Welcome to the 'page

  5. Back To Top    #5

    Join Date
    Aug 2007
    Location
    Jackson, NJ
    Posts
    61

    Re: CH at 950 and the white flakes

    RO will do it but will also remove all of your other dissolved species (TA, CYA, salt). Not that draining wouldn't do the same thing, but just so you know. Sounds like you could use a softener on your water supply. Otherwise, with 200 ppm CH in your fill water, over time your pool will build up CH through evaporation unless you do a periodic drain and fill.
    phil_d
    20,000 gal. vinyl liner pool
    Hayward Perflex EC-65 DE filter w/1.5 hp Hayward Super Pump
    Liquidator w/ 3/8" upgrade
    Aquabot Jr. pool cleaner

  6. Back To Top    #6

    Join Date
    Dec 2007
    Location
    Phoenix AZ
    Posts
    5

    Re: CH at 950 and the white flakes

    Thanks for the replies. Looks like I will drain and fill the pool this weekend, get the chems balanced and look at a game plan to keep the Ch in check
    23,000 Gal Pebble Tech
    Hayward C4025 Cartridge filter
    Hayward 1.0 HP
    Autopilot SWG with SC-60
    TF-100 Test Kit

  7. Back To Top    #7
    Guest

    Re: CH at 950 and the white flakes

    Did you check here first? www.calsaway.com

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