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Thread: Dead frogs in pool - should I be concerned?

  1. Back To Top    #1

    Join Date
    Jul 2015
    Temple Terrace, FL

    Dead frogs in pool - should I be concerned?


    I'm new to TFP and had a question about an odd thing that happened this past weekend. I'm restoring a pool that had not been serviced in nearly three years. After a lot of cleaning and a 3+ week SLAM I can see very positive results. My CC has been .5 PPM or lower for two days, and I'm only losing about 3 PPM of FC overnight, so the end is near. I know the folks here love pictures, so I have a before/after shot below.

    My question is related to thing that happened this past weekend. I was too lazy to measure chlorine, so I dumped whatever was left in my jug at the end of the day and took a reading after sunset. FC was 22 PPM. The next day I went to check on the pool and saw about 6 or 7 frogs swimming in the pool. I grabbed the net and successfully relocated all of them. When I pulled up the skimmer lid it was a mess. It was full of dead frogs... over a dozen. My guess is that those unfortunate creatures that decided to swim into the skimmer basket got sucked down below the surface and drowned. But could it have been the high chlorine levels? Knowing that this pool started out as a festering swamp, could it be something else in the water? I have seen (and rescued) other bugs and critters during this SLAM process, but had not seen so many casualties up to this point.

    Attached Images Attached Images
    33' x 14', 21K IG plaster, Hayward sand filter, 3/4 HP pump, CompuPool SWG (not used at the time), TF-100 test kit

  2. Back To Top    #2

    Join Date
    May 2015
    Chickasha, OK

    Re: Dead frogs in pool - should I be concerned?

    I have 1-2 dead frogs in my skimmer each day when I check it. It's not unusual to have 3-4 once or twice a week. My backyard backs up to a creek, and the pond is 100 yards from my fence. That's just the nature of things. (See what I did there...?)

    As long as you're getting the frogs out daily, they shouldn't cause any chemistry issues.

    As far as chemicals in your pool that may be killing frogs, the only one I can think of would be dihydrogen monoxide. It's dangerous stuff if you get enough of it in your lungs.
    25,000 gallon freeform gunnite/plaster, built in the 1970s/80s; Sta-Rite 9463004 575-lb. sand filter; Sta-Rite single-speed 1.5 HP pump; Raypak RP 2100 natural gas heater (not in use).
    Helpful links: TFTestKits; Pool School; ABCs of Pool Water Chemistry; Chlorine/CYA Chart; PoolMath; SLAM - Shock Level And Maintain

  3. Back To Top    #3

    Join Date
    Jul 2014
    Independence, KY

    Re: Dead frogs in pool - should I be concerned?

    Animals and chlorinated water tend to not mix well. I would guess based upon your before picture that you will have a lot of animals that are used to swimming in your pond, i mean pool, so I would expect lots of critters over the next year or so.
    IG W/Vinyl Liner Oval 18x40, 21K gal, Oval 3'-8'
    Pentair Intelliflo VS Pump, Sand Filter

  4. Back To Top    #4
    Sandra B's Avatar
    Join Date
    Aug 2011
    Shreveport, LA

    Re: Dead frogs in pool - should I be concerned?

    I've posted this before and I swear I have no connection to the company, but I had dead frogs in my skimmer several times a week and it grossed me out. Once even a dead bird. Yuck. Then I got these Froglogs (2 in my pool) and I haven't had one frog dead in my pool in over 2 years. It gives them a little ramp to get out as they swim around the edge looking for an opening. I still have frogs throwing swim parties in my pool, both little ones and river frogs--I check out the pool occasionally with a flashlight just looking for frogs because I'm obsessed I guess , but not one in the skimmers since then. The other night there was one lounging on the Froglog. Anyhow, I love the froglogs, you can get them on Amazon or the website. The fabric only seems to last about 1 or 2 years in this sunshine down in Louisiana, but I don't care and I just bought a replacement for one of them. Best thing ever. I have one in each end of my pool:

    frog log.jpg

    Action shot:

    frog on the frog log.jpg
    18,000 gallon freeform inground plaster
    Jandy 1.5 hp pump & .75 hp booster pump
    Aquapure SWG
    Pentair Triton II sand filter
    Legend pressure-side vacuum

  5. Back To Top    #5
    Mod Squad
    Join Date
    Aug 2012
    DFW, TX

    Re: Dead frogs in pool - should I be concerned?

    Yep, I will second the frog logs. I believe that what kills frogs in pools is absorption of chlorine through the skin, after a while it is just too much.
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    wjaneala's Avatar
    Join Date
    May 2015
    Cullman, AL

    Re: Dead frogs in pool - should I be concerned?

    No frogs here, but I've had a chipmunk and a mouse.
    1980s 20x40 in-ground beast, 36K gallons, 4' - 8', vinyl liner, Sand Dollar sand filter, two skimmers, bottom drain, three returns
    TF-100 Test Kit

  7. Back To Top    #7

    Join Date
    Apr 2015
    Quinlan, tx

    Re: Dead frogs in pool - should I be concerned?

    Lately, I've been having lots of baby ones. Mostly they die, but every now and then one gets rescued. I've had a rat, a rabbit, lots of bugs, and recently a scorpion. It's the country life.
    26,000 IG, pebble tec, flagstone, pentair Triton II TR100 sand filter & VS+SVRS 3hp multi-speed pump, Intellichlor IC-40 SWG, Pentair Booster Cleaner, spillover spa, waterfall, Taylor K-2006 testkit
    [It is better to know how to learn, than to know. - Dr. Seuss[/I]

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