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Thread: Hardness Help Needed

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    jdomke1's Avatar
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    Hardness Help Needed

    I've been testing my water for weeks and noticing my hardness keeps rising. It's gone from 450 to 600 to 800 today. Looking around I noticed someone recommended testing your source water which I did. I got 0 for hardness. Lost and confused about what to do I turn to this board.


    28,000 in ground gunite pool and spa
    Pentair EasyTouch 8
    Pentair Salt Water Generator
    System 3 Filter
    Max Therm Heater 400,000 btu

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    Mod Squad YippeeSkippy's Avatar
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    Re: Hardness Help Needed

    Did you by chance test tap water from a water softener? It would be near unheard of otherwise to have *no calcium* in water.

    Folks in the west traditionally have very hard water requiring them to manage their pool carefully to avoid scale problems.
    My Amazon Smile for November12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
    Our pool build--> Our Pool Solved Our Sloping Yard Skippy's Cheap Pool Cooler -->Skippy's New Fountain

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    jdomke1's Avatar
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    Hardness Help Needed

    Quote Originally Posted by YippeeSkippy View Post
    Did you by chance test tap water from a water softener? It would be near unheard of otherwise to have *no calcium* in water.

    Folks in the west traditionally have very hard water requiring them to manage their pool carefully to avoid scale problems.
    We don't have a water softener or any filtration on the tap I used. We had a water softener that went crazy making buzzing noises so I shut it off and bypassed it.

    28,000 in ground gunite pool and spa
    Pentair EasyTouch 8
    Pentair Salt Water Generator
    System 3 Filter
    Max Therm Heater 400,000 btu

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    Mod Squad YippeeSkippy's Avatar
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    Re: Hardness Help Needed

    Hmmm... can you please repeat that CH test again... going very slowly and reading the instructions as you go? I just have to assume testing error when a CH is zero.
    My Amazon Smile for November12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
    Our pool build--> Our Pool Solved Our Sloping Yard Skippy's Cheap Pool Cooler -->Skippy's New Fountain

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    Mod Squad pooldv's Avatar
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    Re: Hardness Help Needed

    More detailed instructions here
    Pool School - Extended Test Kit Directions
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    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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