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Thread: What is a normal amount of liquid Chlorine to be added daily?

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    Join Date
    Apr 2016
    Location
    Colleyville/tx
    Posts
    1

    What is a normal amount of liquid Chlorine to be added daily?

    Hi, I'm new to liquid chlorine and this site. I'm very glad I've found it as its been very helpful. I've bought the chemistry set known as the TF 100. I've moved into a house where a pool wasn't well cared for and have drained it because of extremely high conditioner and then slammed it a couple times. It's now in great shape. I've passed all the requirements after slamming. Here are my current numbers.

    FC - 1
    CC - 0
    ph 7.8
    TA - 110
    calcium 250
    CA -50

    I'm testing my water all the time(morning and evening) and I'm finding that my FC drops about 1-1.5 ppm over night and about 3-4ppm during the day. I'm having to add about .5-1 gallon per day of liquid chlorine (10%) to keep it around the 5ppm level. Is this normal? It seems like a lot of chlorine to go through and I'm surprised at how quickly the FC drops. I've always been .5 or 0 on CC after slamming a couple weeks ago and CYA has been stable around 50 since then. My kids are swimming 5-6 days a week and it is hot here in Texas so I'm just wondering what is normal and how much chlorine to expect to add daily?
    17,000 gallon in ground pebble tech pool DE filter

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    Join Date
    Jun 2015
    Location
    Glendale, AZ
    Posts
    156

    Re: What is a normal amount of liquid Chlorine to be added daily?

    You need to get your Chlorine up, never below 4....Sun/Heat/Kids 3-4 ppm Chlorine seems reasonable.
    Valley of the Sun, Arizona.....10k gunite/pebble (Re-surface March 2015) w/in floor Caretaker 99 cleaning heads -- Pentair FNS 60 DE filter -- Pentair IntelliFlo Variable Speed for pool -- Pentair Wisperflo 1 HP for boulder waterfall...Taylor K-2006 & Taylor K-2006C kits

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    Join Date
    Aug 2014
    Location
    Northern IL
    Posts
    4,615

    Re: What is a normal amount of liquid Chlorine to be added daily?

    Welcome!!!! You need to target your FC higher! Aim for 6 with your CYA and even go a little higher before a lot of swimmers. Do you know how to use PoolMath to adjust your chemistry?

    Since your FC dropped so low, keep a careful eye on the pool. You may need another SLAM as dropping below your minimum (4) invites stuff to grow.

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    Kdfoust's Avatar
    Join Date
    Feb 2016
    Location
    Riverside, CA
    Posts
    10

    Re: What is a normal amount of liquid Chlorine to be added daily?

    Not that I know much, but I do know my Cl consumption. It's just under a half gallon a day, 2-3ppm.


    27000 gallon lazy L, with attached spa, DE filter, Heater, variable speed pump. I do it all, no pool fools on my property!

  5. Back To Top    #5

    Join Date
    Aug 2014
    Location
    Northern IL
    Posts
    4,615

    Re: What is a normal amount of liquid Chlorine to be added daily?

    Whatever you want to do... 2-3ppm is good.

    We just know that dropping below the minimum FC/CYA ratio is an invitation for algae and bacteria to grow.

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