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Thread: Is there a need to SLAM each season when opening?

  1. Back To Top    #1

    Join Date
    Apr 2011
    Morgantown, WV

    Is there a need to SLAM each season when opening?

    I opened the pool last weekend and had quite a few worms, but the water was still clear and no signs of algae. I cleaned out all the worms, sucked out all the dirt to waste, pH was fine, brought the FC level up, added some salt, got the SWG going and then ran the pump for a couple days. Everything checked out and we had a short warm streak that (combined with the heater) brought the temp up to 85. We all got in for our first swim of the season. I didn't see the need to perform a SLAM since the numbers all seemed fine. Is that OK?
    20x40 IG 30,000 Gal Vinyl
    Hayward 1HP Super Pump, Hayward Perflex D.E. filter, Hayward Universal H-Series 300K BTU heater, Hayward Aqua Rite SWG
    Hayward ColorLogic 4.0 LED Light
    Inter-fab X-Stream slide, Inter-fab Techni-Spring diving board
    APC Auto Safety Cover

  2. Back To Top    #2

    Re: Is there a need to SLAM each season when opening?

    You swam in an un-SLAMmed pool? You are all going to several decades from natural causes.

    I don't think there is ever any need to SLAM if your water is clear and balanced. I haven't had to SLAM since I started maintaining the TFP way, and that includes after opening this season.
    18' x 41' IG w/vinyl liner. 30000 Gallons. 78" x 78" poolside spa
    1.5 hp Hayward pump - sand filter & Tiger Shark QC robot
    Compool CP3800 Control Panel
    TF-100 kit
    Built in 2002. "Inherited" w/House in 2012. Located in Pittsburgh

  3. Back To Top    #3

    In the Industry
    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Is there a need to SLAM each season when opening?

    Our evaluation of Pool water begins and ends with test results. If you say the results were fine, then they probably were but we have no idea what that means.

    Posting current test results makes it very easy for responders and often reveals something minor you may want to adjust.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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