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Thread: Question about backwashing and drainage

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    Join Date
    May 2015
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    owensboro kentucky
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    Question about backwashing and drainage

    I have owned this pool for a couple years now (not original owner, there were two before me). The first time I backwashed, i ran the hose out to the back corner of my yard that butted up to a cornfield. Unfortunately I have a neighbor that lives downhill and this flooded their garden, and they came by and let me know and said that they had the same problem with the previous resident too, and the neighbor told me they had ran a "french drain" for them. It is black tubing about 1.25 inch diameter that I guess runs to the drainage system.

    my problem has been that its so much narrower than the hose that it doesn't really fit and that causes a lot of headache. This year I was trying to solve this and remembered that when I first moved in I saw this partially overgrown hard plastic black grate on the ground near the pool, setting between the pool and the filter/pump. I dug the dirt and stuff that had covered it and under the grate there are two pipe openings probably 6 inches or so in diameter, and I cant really see where either goes, I still need to do some cleanup around them to get a better idea, but I wanted to ask if this was part of my pool system or if it was hopefully sewer access installed by the original pool builder?

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    Mod Squad tim5055's Avatar
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    Re: Question about backwashing and drainage

    I doubt if it is sanitary sewer access, but it may be part of a drainage system/storm sewer system installed at the time the pool was installed.
    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

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    Re: Question about backwashing and drainage

    I would think that they considered backwash drainage when they built it, I think Ill clean it out more and run some water into it and see if it comes out anywhere or not. I just wanted to make sure it wasnt related to regular pool function, I hadn't seen anything it might be but rather be careful than pay for it later.

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    Mod Squad tim5055's Avatar
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    Re: Question about backwashing and drainage

    Quote Originally Posted by googletron View Post
    I would think that they considered backwash drainage when they built it, I think Ill clean it out more and run some water into it and see if it comes out anywhere or not. I just wanted to make sure it wasnt related to regular pool function, I hadn't seen anything it might be but rather be careful than pay for it later.
    I hate to say it, but the backwash drainage is seldom adequately covered by pool builders.
    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

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