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Thread: New pool, new water...pre-filter or straight tap?

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    New pool, new water...pre-filter or straight tap?

    Hi everyone. Just about to get a new pool installed. I've been reading and searching through these forums for months now. Amazingly good information.

    I've read a few posts that mention getting your tap water tested if you are using it to fill you pool but I have not seen any mention of what to do with those results.

    I live in Austin, TX and got this information off of the city water website:
    "Our drinking water is considered moderately hard. The hardness averages around 96 ppm or 5.6 grains per gallon.".

    I'm getting a fiberglass pool which I have read can get stains from metals in the water. Should I consider getting a filter of some kind that attaches to the water hose during the pool fill?
    3900 Gallon (18 x 8.5 x 5) Partially In Ground Fiberglass Pool -- 2" Schedule 40 PVC -- Hayward P4 Controller -- Goldline Aqua Rite Turbo Cell Salt Chlorinator -- Hayward 2 Speed Max Flo II 1 HP Pump -- Hayward SwimClear 225 sqft Cartridge Filter -- Hayward 250K BTU Natural Gas Heater -- Endless Pool Fastlane Swim Machine -- Cover Pools Manual Track & Reel Security Cover -- TF-100 Testkit

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    Melt In The Sun's Avatar
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    Re: New pool, new water...pre-filter or straight tap?

    Nope. That water is actually pretty low in calcium, at least by some standards...

    You'll be fine, and the hose-end filters can't possibly filter a whole pool worth of water anyway.
    11,200 gal, Pebble-Tec; Tristar 2-speed 1hp - Swimclear 325 ft2 cart - SWG - A & A in-floor cleaner - Heat pump. For the poolside cooking, a Yoder Wichita and a Big Steel Keg!
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    Mod Squad Bama Rambler's Avatar
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    Re: New pool, new water...pre-filter or straight tap?

    As MITS said, that's not very hard water at all. According to the water report averages here are the numbers.
    pH = 9.6 (You're gonna need acid)
    Total Chlorine = 2.65
    Total Alk = 74 (time you add all that acid you're gonna need baking soda)
    Total Hardness = 103
    Iron = < .05
    Copper = <.02

    On the quarterly average it lists the Calcium at 13ppm.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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    Re: New pool, new water...pre-filter or straight tap?

    Thanks MITS and Dave. I really appreciate the great information. I had no idea the water quality report had that kind of detail in it. I'm off to go read through it.

    I like your avatar choices btw.
    3900 Gallon (18 x 8.5 x 5) Partially In Ground Fiberglass Pool -- 2" Schedule 40 PVC -- Hayward P4 Controller -- Goldline Aqua Rite Turbo Cell Salt Chlorinator -- Hayward 2 Speed Max Flo II 1 HP Pump -- Hayward SwimClear 225 sqft Cartridge Filter -- Hayward 250K BTU Natural Gas Heater -- Endless Pool Fastlane Swim Machine -- Cover Pools Manual Track & Reel Security Cover -- TF-100 Testkit

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    susa's Avatar
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    Re: New pool, new water...pre-filter or straight tap?

    FWIW, when my last fillup was done, I paid a water filtering company recommended by my PB, who supplied tanks that had the appearance of large acetylene welding tanks, dropped off a few days before fillup commenced.

    while we have excellent muni water, this removed all minerals and chemicals, cost was 100. it was easy to balance the water from that point forward.

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