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Thread: What is this white stuff

  1. #1
    Junior Member
    Join Date
    Dec 2007
    Location
    Switzerland, Fl
    Posts
    24

    What is this white stuff

    I use an SWG if that makes a difference
    Attached Images Attached Images
    Viking Cancun 16X35, Pentair Clean and Clear Cartridge Filter, Pentair 1.5hp whisper flow,
    SWG

  2. #2
    Senior Member
    Join Date
    May 2007
    Location
    South Central NJ
    Posts
    3,203

    Re: What is this white stuff

    If it washes off easily, its salt. If it is still there when wet, it's calcium that deposited itself due to an extended period of unchecked pH rise. Cells produce chlorine but the way it forms tends to raise the pH. This needs to be compensated for. See the Pool School link at the top right.

    Here is a link that describes what needs to happen.

    pool-school/calcium_scaling

    Scott
    Owner of - PoolGuyNJ LLC
    Expert Pool and Spa Repairs, Renovations, and Augmentation. Helping people decide what is the right gear for meeting their needs. Expectations Set, Expectations Met, No Surprises.

  3. #3
    Junior Member
    Join Date
    Dec 2007
    Location
    Switzerland, Fl
    Posts
    24

    Re: What is this white stuff

    Quote Originally Posted by PoolGuyNJ
    If it washes off easily, its salt. If it is still there when wet, it's calcium that deposited itself due to an extended period of unchecked pH rise. Cells produce chlorine but the way it forms tends to raise the pH. This needs to be compensated for. See the Pool School link at the top right.

    Here is a link that describes what needs to happen.

    pool-school/calcium_scaling

    Scott
    When wet is seems to dis appear
    Viking Cancun 16X35, Pentair Clean and Clear Cartridge Filter, Pentair 1.5hp whisper flow,
    SWG

  4. #4
    Senior Member
    Join Date
    May 2007
    Location
    South Central NJ
    Posts
    3,203

    Re: What is this white stuff

    If you wipe with your hand, is there powdery residue?

    Scott
    Owner of - PoolGuyNJ LLC
    Expert Pool and Spa Repairs, Renovations, and Augmentation. Helping people decide what is the right gear for meeting their needs. Expectations Set, Expectations Met, No Surprises.

  5. #5
    Guest

    Re: What is this white stuff

    Is your salt cell plumbed ahead of or behind the spa bypass?

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