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Thread: Drain or Shock mini swamp?

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    Drain or Shock mini swamp?

    I really can't decide whether to drain or shock. Intex round 18' x 48" pool. Pool in kept up year round and winterized like a regular above ground pool. Last year water was as clean as could be at opening. This year when I pulled the cover off it was already green. It is about half full and I can see the bottom.

    Advantages to draining: Quicker, less work, fairly low water rates and no water restrictions.

    Advantages to shocking: Water already has salt and cya in it from last year, it may be cheaper than paying for water, extra salt and extra cya, I hate to waste water.

    What should I do?
    18'x48" Intex metal frame pool, 1600 Intex sand filer/pump combo, Intex SWCG.

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    Mod Squad zea3's Avatar
    Join Date
    Jul 2009
    Houston, Texas

    Re: Drain or Shock mini swamp?

    Since you can see the bottom the shock process would be your best choice. Go ahead and re-fill the pool and get a current set of test results posted and we can give you all the help you need to get through the process.
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    Mod Squad woodyp's Avatar
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    Apr 2010
    East Texas

    Re: Drain or Shock mini swamp?

    Half full you'll still likely have to add more salt and more CYA depending on testing.
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    Re: Drain or Shock mini swamp?

    I decided to shock it. Mid way through the process I was really regretting my decision. It went from green to cloudy quickly, but progress really slowed down after that. There were several days where I couldn't tell any progress at all. If I had it to do over, I would drain it. All is well now and the SWCG is back on again.
    18'x48" Intex metal frame pool, 1600 Intex sand filer/pump combo, Intex SWCG.

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