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Thread: Calcium Chloride

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    Faded Jeans's Avatar
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    Aug 2013
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    Calcium Chloride

    I see I can buy it on Amazon:

    http://www.amazon.com/Calcium-Chloride- ... 007ODSI1O/

    If I wanted to raise the CH in my spa to 100ppm - 150ppm to prevent foaming, this is the stuff to buy, yes?

    Looks like I can use it as fertilizer, too.
    Go Spa 742 | 310 Gal | Ozone | Lucite Cast Acryllic | 220v | Installed Aug 2013
    Grilling | Cooking | Wine | Coffee Home Roaster | Frozen Concoctions

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    Faded Jeans's Avatar
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    Re: Calcium Chloride

    Also, I read this in the "ABC's of Pool Chemistry": "To raise PH use soda ash."

    I read somewhere that I could use sodium carbonate (Super Washing Soda) but now I can't find the reference.

    Did I mis-remember that?

    EDIT: Ah, I just read that Soda Ash == Sodium Carbonate == Washing Soda, so I guess that's a yes.
    Go Spa 742 | 310 Gal | Ozone | Lucite Cast Acryllic | 220v | Installed Aug 2013
    Grilling | Cooking | Wine | Coffee Home Roaster | Frozen Concoctions

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    linen's Avatar
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    Re: Calcium Chloride

    Quote Originally Posted by Faded Jeans
    I see I can buy it on Amazon:

    http://www.amazon.com/Calcium-Chloride- ... 007ODSI1O/

    If I wanted to raise the CH in my spa to 100ppm - 150ppm to prevent foaming, this is the stuff to buy, yes?

    Looks like I can use it as fertilizer, too.
    That looks like the right stuff to me, though it is a lot more expensive then other sources. Up here deicer is common and quite cheap (10X).

    Correct: soda ash=washing soda= sodium carbonate (not to be confused with sodium bicarbonate).
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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