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Thread: Perfect water before vacation....swamp afterward

  1. Back To Top    #1

    Join Date
    Jun 2016

    Perfect water before vacation....swamp afterward

    I am new to TFP and maintaining a pool, so I apologize if I am either posting in the wrong spot or asking the wrong questions.

    We decided to go on vacation approximately a month after putting our pool in. Prior to us leaving it was perfect, but now it is nasty. I read the thread about turning you swamp into a sparkling oasis and have a couple of questions to make sure I am on the right track.

    Prior to finding this forum I did the same thing others probably have done.....consulted with the pool store sharks, so most of the materials I have on hand at the moment are leftover from my first purchase there. With the exception of the bleach and baking soda I picked up at Sam's yesterday.

    I was initially using the test strips before reading on here about the advantages of having the TF100 kit (I purchased this, but am still trying to figure it out); nevertheless, when I got back in town I tested the water with the strips and it showed my PH was extremely high and my CYA was around 100. I understand that we had thunderstorms while we were gone, so I understood why the PH was high, but didn't know why the CYA was high also??

    So in an effort to lower my CYA I did a partial drain, maybe 8" of water at the most. But I read on the bottle after the fact, that if the PH was high the CYA test wasn't accurate which made sense because it was 30-50 before I left. I also used the CYA test in the TF100, but the black dot never faded either.

    I am now trying to pull my PH down with lo and slow that was purchased in the beginning, but after a couple of pounds I am seeing minimal change.

    My plan is to get the PH down to 7.2, get an accurate reading on my CYA, determine the appropriate shock level for that reading, purchase 4x that much bleach and hold it at shock level until the algae is gone.

    Am I on the right track?

    27' AG round
    52" wall height
    17,200 gallons
    Hayward power flow matrix 1.5 hp
    200lb sand filter
    Built June 2016
    TF100 test kit
    City water, currently under no water restrictions

  2. Back To Top    #2
    Mod Squad tim5055's Avatar
    Join Date
    May 2014
    Columbia, SC

    Re: Perfect water before vacation....swamp afterward

    Welcome to TFP!

    Can you post a full set of test results from your TF-100 please.

    How long were you gone and how was chlorine being added while you were gone?
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

  3. Back To Top    #3
    Mod Squad
    Join Date
    Aug 2012
    DFW, TX

    Re: Perfect water before vacation....swamp afterward

    Welcome to TFP!
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    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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