Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 5 of 5

Thread: Green Monster

  1. Back To Top    #1

    Join Date
    Jun 2013
    Location
    Springfield MO
    Posts
    51

    Green Monster

    I opened my pool to the Green Monster ... bummer. We had a very warm winter. Anyway, I emptied a third of water and refilled (still green) but now Im not sure what my stabilizer number is.

    What to do first?

    Let the system filter for a day or two before adding bleach? Add Bleach immediately? When do I test and add the stabilizer (assuming its low) because I need to back wash my filter frequently right now due to the green debris bogging it down every 4-5 hours.

    Thanks for any advise!!!!
    KGK
    23K, IG Vinyl, Sand Filter, 1.25 HP

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
    Posts
    37,389

    Re: Green Monster

    The first step is ALWAYS get test results. Only then can you know what needs to be adjusted.

    Likely you just need to find your CYA level, so you know what FC level you need to maintain to follow the ShockLevelAndMAINTAIN Process.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

  3. Back To Top    #3
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: Green Monster

    Move the sand filter to recirculate for now and let it mix a while. Make a lap around the pool with the brush and/or leaf rake. That will get all the water mixed well and then you can take your readings. Without knowing the CYA, you don't know how high to set the FC. If there's none left, 10 FC is plenty. But if CYA is 100 or above, 10 FC will be the equivalent of putting a bandaid on a gunshot. You also need to test the rest, because once you start a SLAM, you can't accurately test or adjust pH, and it's also possible that CH or CYA will still be too high and you'll want to replace more water.

    As an aside, if you do end up replacing more water, vacuum to waste to do it. Then any sludge you pick up off the bottom will get sent out the backwash pipe and won't clog up the filter.

    When you do have your results, you can plan your SLAM. Some Inspirational Links. Just do what they did.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

  4. Back To Top    #4

    Join Date
    Jun 2013
    Location
    Springfield MO
    Posts
    51

    Re: Green Monster

    Quote Originally Posted by Richard320 View Post
    Move the sand filter to recirculate for now and let it mix a while. Make a lap around the pool with the brush and/or leaf rake. That will get all the water mixed well and then you can take your readings. Without knowing the CYA, you don't know how high to set the FC. If there's none left, 10 FC is plenty. But if CYA is 100 or above, 10 FC will be the equivalent of putting a bandaid on a gunshot. You also need to test the rest, because once you start a SLAM, you can't accurately test or adjust pH, and it's also possible that CH or CYA will still be too high and you'll want to replace more water.

    As an aside, if you do end up replacing more water, vacuum to waste to do it. Then any sludge you pick up off the bottom will get sent out the backwash pipe and won't clog up the filter.

    When you do have your results, you can plan your SLAM. Some Inspirational Links. Just do what they did.
    My CYA was around 35 last season and I emptied 1/3 of the water. If anything I may need to add. I will test and certainly start with 10fc. Thanks!
    KGK
    23K, IG Vinyl, Sand Filter, 1.25 HP

  5. Back To Top    #5
    Casey's Avatar
    Join Date
    Apr 2007
    Location
    SW PA
    Posts
    10,157

    Re: Green Monster

    What are you testing with? You really need to not go into this without a proper test kit. I see you've been a member for awhile. Have you ordered a test kit yet? If yes, post test results. If not, order a proper test kit.
    I'd bet you my bikini you'll never get TFP water from a pool store!

    24' Sharkline Venture De Filter

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •