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Thread: What was he doing?

  1. Back To Top    #1

    Join Date
    Aug 2016
    Lemoore, California

    What was he doing?

    Just bought a new house with a pool. First of many questions I'm sure as I'm terrified I'm screwing something up royally. I have a test kit on order and hope it's here soon. I made the mistake of going to Leslie's and they got me all set up (~$350) before coming here. Will start changing my ways! Anyway...

    In the skimmer, I noticed there are two holes below the basket. I did a search of the forum and found that the second hole probably is nothing or for construction purposes. That makes sense. I saw that some people use rocks to weigh the skimmer down. That also makes sense. My situation had me finding a rock, about half of a regular brick in a triangular design, sitting UNDERNEATH the basket, covering one of the holes. It wasn't a watertight fit, so I don't think it was there to prevent any water entry, but I have no idea why it was there. Anyone have any suggestions?

    Thanks for the first of many helpful answers.
    Pentair Quad DE Filter (60)
    Pentair Intelliflo 3HP Variable Speed Pump
    30,000 Gallon Pool

  2. Back To Top    #2
    Mod Squad Texas Splash's Avatar
    Join Date
    Jun 2014
    South-Central Texas, Marion/San Antonio

    Re: What was he doing?

    Welcome to TFP! Often times there is a saucer-shaped item called a "diverter" under the basket that allows you to determine how much water flow goes from one or either holes (if they both pull water). "Maybe" the person before you didn't have the diverter installed and did a less than desirable attempt to partially block one hole with the brick to allow "some" water to flow in but not as much as the open hole? That's all I can think of.

    Nice to have you with us.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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  3. Back To Top    #3

    Join Date
    Nov 2015
    Carrollton tx

    Re: What was he doing?

    my skimmers have 2 holes
    one goes to open vent in pool below skimmer so that the skimmer doesnt go dry
    Doug - Purchased 1/2016, 1995 house with 16x31 ft, ~23000 gallon Gunite pool w 11x7 spa, 3 Pentair VS pumps, a boost pump for polaris 3900 and a BaduŽ Jet super-sport swim jet pump, 1.5 hp blower, a CL460 Cartridge filter. TF-100 test kit. Aquapure SWG, iAqualink - Lots to learn. New Aquabright, Jandy LEDs, CMP LED Sheers.

  4. Back To Top    #4

    TFP Guide

    Join Date
    Jul 2015
    Central Valley CA

    Re: What was he doing?

    I agree with Pat, the partly blocked hole probably goes to an equalizer port just below the skimmer or to you main drain. There is not much reason to block it that way, in fact if it is for an equalizer or main drain you are better leaving it uncovered. When the skimmer basket is empty almost all the flow will come from the surface where you want it, but should the skimmer get full or accidently get blocked then having the other hole open provides a second source of water for the pump it's a bit of a safety net incase you are not diligent about empting the skimmer.
    12,300 Gallon, IG PebbleFina, 3 ft sheer, 2 Jandy nicheless LED lights, Jandy Pro 1.5HP VS pump (A.O. Smith Motor), PB4-60 Booster pump, Polaris 280, Jandy cv340 cartridge filter, Zodiac Z4 control panel W/iAquaLink, Stenner pumps for chlorine & MA connected to WiOn WiFi switches, TF-100. You can support TFP with AmazonSmile just click the link!

  5. Back To Top    #5

    Join Date
    May 2016
    West Bloomfield, MI

    Re: What was he doing?

    $350. wow, that's a bummer. Glad you found your way here though! I was lucky enough to find this site before I ventured into a $tore. I still go to the $tores now and then, but my TFP resources serve as a great defense for my wallet.
    12,000 gal Diamond Brite indoor​ pool. Pentair Triton TR-60 Sand Filter +added DE, Lochinvar Energyrite ERN-200 gas heater, Pentair Multi-valve, Pentair SuperFlo VS pump, TF-100 kit, Pool Math App - iOS

  6. Back To Top    #6
    JoyfulNoise's Avatar
    Join Date
    May 2015
    Tucson, AZ

    What was he doing?

    The hole towards the back of the skimmer should be plumbed to the suction side of your pump. The other hole is either tied into your main drain or to an equilizer port (which would be located about 12-18" below the skimmer opening under water in the pool wall) or it is capped off. If you take a coat hanger and probe down the hole you should easily be able to tell if it's capped. If it is not capped, then look for an equalizer port below the skimmer in the pool wall. If no equalizer port is present then it's tied to your main drain.

    If it is tied to your main drain, then you need to have a float diverter valve that sits underneath the skimmer basket on top of those openings.

    In all cases, that rock sitting at the bottom is pointless, so remove it. If you need a rock to weight down the skimmer basket, then the rock goes in the skimmer basket.
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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