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Thread: Another Newbie

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    Join Date
    Mar 2017
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    bay st. louis,ms
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    Another Newbie

    First, thanks for all the useful information and I figured I'd ask just to make sure on right track. A little paranoid with this pool maintenance thing and seeing a green pool.
    Been checking pool with K-2006, way too frequently, mainly to get used to it. Because of this forum, I noticed an increase in CYA level from February level of 40 to current level of 70. Immediately stopped using 3" pucks and started with bleach. Ph seems to creep to 8 every couple of days (don't know why) and have a hard time keeping it in the desired range.
    Current Results:
    FC 4.5
    CC 0
    Ph 8
    TA 100
    CH 400
    CYA 70

    Guess I would like a little advice, is this ok and if I stop using the pucks, will the CYA naturally go down with pool use, rain, etc. Green pools intimidate me and would rather not traveling down that path as a newbie
    Thanks
    Built 2/21/2017 IG 16'X34' 16.5K gallons. Quartzscape plaster, Pentair 420 cartridge 1.5hp. Nature II Fusion chlorinator and Pentair Whisperflo Pump

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    triptyx's Avatar
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    Re: Another Newbie

    Welcome to TFP!!!

    Ok, let's take a look here.

    First of all, with a CYA of 70, your FC (chlorine) is too low. Let's add bleach asap to get that up to at least 8-10. 5 is the absolute minimum that you should never go below. The chart here shows you what you need to target: Pool School - Chlorine / CYA Chart

    You can use PoolMath (link at the top of the page) to figure out how much bleach or other chemicals you need to add when you're adjusting a value.

    pH rise is normal in pools - you can add muriatic acid periodically to get pH down to 7.6. With a TA of 100, you could try to lower the TA through aeration and acid additions, see this article: Pool School - Lower Total Alkalinity

    CH is a little high, but manageable (it's another component, like CYA, that can only go down with water replacement).

    Your CYA will very slowly come down over time. 70 is manageable, you'll just need to make sure you maintain your chlorine at the appropriate level. If you end up getting an algae breakout, having CYA that high will cause you to need a lot more bleach to SLAM however, so take extra care to keep the FC at or above 8 with daily testing/chlorine adds, and as you said, only use bleach or liquid chlorine to avoid raising the CYA even higher.

    If you get confused with PoolMath or are having problems, please feel free to ask questions here and we'll help you to get it figured out.

    How does your water look? Is it clean and very clear?
    8,500gal plaster in-ground with attached spa, two floor drains, one skimmer. Chlorine, City Water.
    Pentair WhisperFlo 1hp Pump, MagnaTek Midcentury EPlus motor, Pentair CleanNClear 200SF Cartridge filter, Purex Triton MiniMax 250 Gas Heater, Pentair SunLite, AutoFill.
    Kreepy Krauly Cruiser, TF-100 with SpeedStir. :D

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    bay st. louis,ms
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    Re: Another Newbie

    Thx Triptyx,

    Pool clean and very clear. Forgot to add that I added acid 1 qt but no chlorine. Wasn't sure if OK to add at same time.
    Built 2/21/2017 IG 16'X34' 16.5K gallons. Quartzscape plaster, Pentair 420 cartridge 1.5hp. Nature II Fusion chlorinator and Pentair Whisperflo Pump

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    Re: Another Newbie

    You can add them both if you're careful.

    Add one by pouring slowly, in front of a return with the pump running, brush around the area you added, then wait about 10-15 minutes and add the other.

    Just in case I miss the jet a little, I always brush the bottom around the area I've added acid to make sure it hasn't pooled and mixes well.
    8,500gal plaster in-ground with attached spa, two floor drains, one skimmer. Chlorine, City Water.
    Pentair WhisperFlo 1hp Pump, MagnaTek Midcentury EPlus motor, Pentair CleanNClear 200SF Cartridge filter, Purex Triton MiniMax 250 Gas Heater, Pentair SunLite, AutoFill.
    Kreepy Krauly Cruiser, TF-100 with SpeedStir. :D

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    Re: Another Newbie

    Thanks again added chlorine when I got home at 6.5 now pH at 7.4. Will check again in the morning and add more chlorine.

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    TFP Guide
    triptyx's Avatar
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    Re: Another Newbie

    Not bad!

    You'll want to make sure to dose chlorine to 8 when you're doing your adds. This will help provide that bit of extra chlorine buffer to make sure you don't accidentally drop below minimums.

    Also, when you get a few minutes, please add the details of your pool to your signature - you can do so at this link: Trouble Free Pool

    Once you've done that, the next time you post, check the "Show your signature" box at the bottom of the post and it will add your signature from then on.

    Thanks! You're on the way to having an awesome pool.
    8,500gal plaster in-ground with attached spa, two floor drains, one skimmer. Chlorine, City Water.
    Pentair WhisperFlo 1hp Pump, MagnaTek Midcentury EPlus motor, Pentair CleanNClear 200SF Cartridge filter, Purex Triton MiniMax 250 Gas Heater, Pentair SunLite, AutoFill.
    Kreepy Krauly Cruiser, TF-100 with SpeedStir. :D

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    bay st. louis,ms
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    Re: Another Newbie

    will do. don't know why it didn't add signature line but will be be aware.
    Built 2/21/2017 IG 16'X34' 16.5K gallons. Quartzscape plaster, Pentair 420 cartridge 1.5hp. Nature II Fusion chlorinator and Pentair Whisperflo Pump

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