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Thread: Back swimmers... Why?

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    Join Date
    Mar 2016

    Back swimmers... Why?

    Kind of confused on this whole back swimmer issue. My buddy told me I shouldn't have any in my pool and I've done some research and that seems correct. I did find 2 small algae spots 2 weeks ago and have treated that. I never showed any cc in my testing so still confused by that. I slammed last week before the 4th and definetly noticed a difference in the water. The bottom now feels squeaky clean as before it was "slickish" in spots I feel. I had a couple back swimmers here and there in the pool before. But last night I noticed another big one in there and today he was still there. I also found a tiny one by my ladder. It's driving me buts cause I feel my pool is perfectly maintained and they shouldn't be there. Should I be concerned? Should I add anything. My friend recommended algacide but thought that was a waste. I already have a 50ppm borates in the pool and my chlorine I have kept above 4 since the holiday. I also was only running my pump for 2 - 4hr intervals on low but since have increased to 6 hrs. I'm curious if anyone has felt running there pump on low was not sufficient enough and ran on high. I definetly see a huge increase in circulation on high and cotemplating keeping it on high.

    Todays results
    cya-28 but feel it should show higher as I added enough stabilizer to get to 35
    19k 15x36' inground oval vinyl lined pool with deep end. 3 returns , 1 skimmer, 1 main drain. TF-100 test kit

  2. Back To Top    #2
    borjis's Avatar
    Join Date
    Aug 2014
    Pacific NW

    Re: Back swimmers... Why?

    My pool is maintained perfectly....they still get in some times.

    I see them usually when it's clear blue sky and sunny, between 11-1 they might be in the water.

    They fly in.

    For some reason I never see them after 1.

    If you release them, they come back, so I just quickly get them in the net then crunch.

    Nothing to do with your pool chemistry.

    They are harmless (no teeth) but unsightly / creepy looking. My Niece is terrified of them.
    16x32 IG Vinyl, 13,000 Gals. Hayward S-244T sand filter, SP2810X15 pump
    (1.5 HP motor) Raypak PR266AEN (266k btu) gas heater. TF-100 Test Kit.
    Dolphin E10 Cleaning Robot.

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