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Thread: when to add chlorine when filling pool?

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    Join Date
    Jul 2014
    Location
    Hagerstown MD
    Posts
    12

    when to add chlorine when filling pool?

    Just got a new liner for our pool and set it up yesterday. Currently have about a foot of water in and adding. At what point should I start adding bleach? We are on city water so there is a small amount of chlorine in it. I have ordered one of the test kits recommended here but it won't be here for a few more days. I still have our old kit which measures FC and pH I think. In the past we used the chlorine tabs but I want to do it the TFPC way now!

    I've looked through Pool School and made copies of the desired levels, etc. Should I just plug in my numbers in the calculator and get the bleach, then add as it fills, or better to wait until full and test?

    Thanks.
    5K gal, AG, 2150 gal/hr sand filter, pump model SF70110 (Intex)

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    TFP Guide
    mrcarcrazy's Avatar
    Join Date
    Jan 2014
    Location
    Odessa, TX
    Posts
    973

    Re: when to add chlorine when filling pool?

    Wait until it's filled and able to circulate. Also step #1 is to get a proper test kit. If you haven't already visit www.tftestkits.net
    Dave has built a great kit.
    IG gunite/plaster pool/spa Started 1/17/14, Plastered 5/16/14
    Size: 12'-21'x39' free form, depth ranging from 4' to 7, attached 6 person spa with spillover.
    Equipment: Whisperflo 2hp pump, Pentair 30" sand filter, Pentair Mastertemp 400k BTU heater, 1hp Whisperflo for waterfalls, and a blower for spa floor

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    Join Date
    Jul 2014
    Location
    Hagerstown MD
    Posts
    12

    Re: when to add chlorine when filling pool?

    Thanks. yes, as I stated above, I have order a testkit but am waiting on it to arrive.
    5K gal, AG, 2150 gal/hr sand filter, pump model SF70110 (Intex)

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    Join Date
    Jun 2014
    Location
    albany oregon
    Posts
    15

    Re: when to add chlorine when filling pool?

    Figure out how much cya you want and put that in a sock in front of your return. Then add the appropriate amount of.bleach according to your cya. If it is very hot or you swim then I usually add at least half the amount of bleach if not more each night until your test kit comes in.
    16 by 48" 5000 gallons, AG, skimmer plus 1500 filter pump with gfci

  5. Back To Top    #5

    Re: when to add chlorine when filling pool?

    For each year I put up the pool in the summer, this is what I go through. When I first fill my 18 x 52 Intex pool the water has a tinge of green to it (just the way the city water is). I put in a package of shock it and the next day the tinge of green is gone but also all the chlorine. Water just ate it up. I then put in one more pack of shock it all is good from there. For the rest of the summer having a floater in the pool keeping two 3" tablets of chlorine in it maintains the right chlorine level. Took me 3 seasons to get that procedure down pat.

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