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Thread: How do I prep my pool for vacation?

  1. #1
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    Default How do I prep my pool for vacation?

    Normally since I have a SWCG I wouldn't be asking this, but I've noticed lately I'm having to run my SWCG at a higher setting than usual; right now it's set at 80% with the pump running 12 hours a day to maintain 5-6ppm CL (CYA is at 70-80ppm).

    Since I'm entering the 7th season with the same cell, I suspect it's showing it's age and may fail sometime this summer.

    I'm concerned that my cell may fail while I'm away for a week and I'll come home to a green pool. Is there something I can do before I leave to assure this won't happen? Unfortunately I don't know anyone who can check on it while I'm gone.

    I'm a bit hesitant to go ahead and buy a new cell since the warranty clock will start ticking and it's possible the old cell may hang in there all season.

    I thought maybe bring CL up to shock level just before I leave while leaving the SWCG running at normal level while I'm gone? If I do that do I run the risk of coming home to a bleached out liner?

    Another thought was to just add a quart of 60% polyquat before I leave and leave the CL level at normal (5-6ppm).

    I appreciate any suggestions.
    22'x40' Grecian Lazy L 20K gal IG vinyl pool; Aqua Rite SWCG T15 cell; Hayward Pro Grid 6020 DE filter; Hayward Superpump 1hp pump; 12 hrs; Taylor K-2006; city; PF:6

  2. #2
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    Default Re: How do I prep for vacation?

    How soon are you going on vacation, and how long will you be gone?

    (OK, I see now -- a week.)

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    Default Re: How do I prep for vacation?

    Yes, 1 week. I'm going later next month. I posted early to allow plenty of time to come up with a plan.
    22'x40' Grecian Lazy L 20K gal IG vinyl pool; Aqua Rite SWCG T15 cell; Hayward Pro Grid 6020 DE filter; Hayward Superpump 1hp pump; 12 hrs; Taylor K-2006; city; PF:6

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    Default Re: How do I prep for vacation?

    And here is a semi-final list, which I need to expand:
    • Prep levels for vacation
      • Chlorine to 20% of CYA
      • Salt topped off if you have an SWCG
      • pH maximized if you are using trichlor feeder / floater
    • Use a feed system: SWCG, trichlor feeder, trichlor floater, etc.
    • Raise borates to 60+ ppm
    • Lower phosphates below 0.125 ppm
    • Dose with 6 ppm polyquat
    • Cover your pool with any cover that reduces the amount of sunlight reaching the water.
    • Minimize water temperatures (turn off solar, cool the pool if you can, etc)
    • Set up pre-measured doses of bleach, dichlor, or polyquat for your *TRAINED* neighbor / friend / relative
    • Use the HiC2 method (CYA > 100 ppm, FC > 25 ppm)
      (Best with low phosphates + 60 ppm borates)
    • Clean pool, pump, skimmer, filter
    • Make sure your pump is in self-priming state
      (So your pump doesn't burn up or fail while you are a way)
    • Increase circulation time
      (If you're using a feeder, increased circulation help. Also, a pump that runs 24/7 is less likely to lose prime)
    • Turn your pump off
      (If you're using polyquat, it tends to be removed by filtration.)

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    Default Re: How do I prep for vacation?

    Quote Originally Posted by PoolDoc View Post
    Regarding the tablets in a floater, did you have something in mind other than a trichlor floater?
    Nope, just that. Your list is obviously much more thought out

    I thought polyquat increased chlorine demand? Wouldn't that be counter productive in this case?
    rectangle 11.5K gal IG concrete pool;; 125sf cartridge filter; 2hp 1 speed pump; K-2006, k-1766; PF:10

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    Default Re: How do I prep for vacation?

    Quote Originally Posted by Watermom View Post
    You add the polyquat, expect the chlorine to plummet, then bring the chlorine back up.
    How long should I wait after adding the polyquat before bringing chlorine up to the recommended shock level?
    22'x40' Grecian Lazy L 20K gal IG vinyl pool; Aqua Rite SWCG T15 cell; Hayward Pro Grid 6020 DE filter; Hayward Superpump 1hp pump; 12 hrs; Taylor K-2006; city; PF:6

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    Default Re: How do I prep for vacation?

    As soon as it gets too low based on your CYA reading. Then, add more chlorine.

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    Default Re: How do I prep for vacation?

    I've been talking to Chem_Geek about the chlorine / polyquat relationship. You have to realize that some of what's happening is not known, except maybe in Buckman Lab files that haven't been released. But here we go:

    1. Polyquat is partially destroyed by chlorine, possibly with a 1 week half-life.

    2. The chlorine consumption by polyquat is roughly 1 ppm per ppm. So if you add 6 ppm of polyquat, add 6 ppm of chlorine 24 - 36 hours later to make it up.

    3. Polyquat is ALSO removed by filtration. If bypassing your filter will not cause other problems, then the polyquat will last longer if you put your filter on bypass (often "Recirculate" on multiport valves) or remove your cartridge from the filter.

    4. Keep in mind that only pool covering, SWCG use, raising borates and lowering phosphates are a completely durable vacation tactic. Every other approach -- HiC2, feeders & floaters, polyquat, even copper -- depends on chemicals that will tend to disappear from the water (or feeder) in the course of normal operation.

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