Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 6 of 6

Thread: Slow pool leak - are these the causes?

  1. Back To Top    #1

    Join Date
    Jun 2012
    Location
    NJ
    Posts
    40

    Slow pool leak - are these the causes?

    We noticed we were losing water a bit towards the end of last summer and it definitely got worse this summer.
    It did not leak over the winter so I know it isn't in the concrete part or bottom of the pool.
    We just did the bucket test and the first day it was a decent difference of about 1/2 inch in and out of the bucket. It does seem to slow down - over night the next night was barely any difference.
    I found a crack in the grout of the tile by the skimmer and also noticed when cleaning the skimmer baskets a possible location for a leak? There is the one hole that gets plugged in the winter and then another thing that has a white cap on it. There is foam/rubber stuff under that cap between the cap and the bottom of the skimmer that seems lose and old.
    I took these two pictures. Do you think it could be one of these things?
    If so, are these easy fixes for us to do ourselves?
    If not, is there any way for us to figure out where the leak is without calling a leak detection place for hundreds of dollars?

    NJ
    35,000 gallons, DE filter, IG plaster
    TF-100

  2. Back To Top    #2
    Mod Squad JohnT's Avatar
    Join Date
    Apr 2007
    Location
    SW Indiana
    Posts
    9,089

    Re: Slow pool leak - are these the causes?

    Chances are good the second hole isn't connected to the pool at all. If it is, it is for the main drain and shouldn't be plugged. Do you have a separate pipe for both the drain and skimmer at the pump?
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

  3. Back To Top    #3
    mas985's Avatar
    Join Date
    May 2007
    Location
    Pleasanton, CA
    Posts
    11,489

    Re: Slow pool leak - are these the causes?

    There is a very good chance that it could be the skimmer grout. That is a fairly common leak location.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

  4. Back To Top    #4

    Join Date
    Jun 2012
    Location
    NJ
    Posts
    40

    Re: Slow pool leak - are these the causes?

    Quote Originally Posted by JohnT View Post
    Chances are good the second hole isn't connected to the pool at all. If it is, it is for the main drain and shouldn't be plugged. Do you have a separate pipe for both the drain and skimmer at the pump?
    We do have different pipes for the drain and each skimmer that all connect with handles so you can block off different ones.

    - - - Updated - - -

    Is it hard to fix the grout? Is there a recommended grout?
    NJ
    35,000 gallons, DE filter, IG plaster
    TF-100

  5. Back To Top    #5
    wjr75's Avatar
    Join Date
    Jun 2013
    Location
    IL
    Posts
    816

    Re: Slow pool leak - are these the causes?

    We have floor drains in our spa which had plugs in one of the un-used holes. One was leaking which I had resealed in the spring. I think our hydrostatic valve in our main pools main drain may have started a slow leak when the weather got cold. They pulled it out when I had the pool refinished in the spring and should have replaced it at that time. I will get it in the spring.
    Inground 22k gallon gunite 15x31 main pool, 15x7 wading pool/sunning deck, hot tub/with overflow (9' octagon with limestone top) & slide NSWG, Aqua Blue Pebble Sheen
    Filter dual cartridge Sta-rite 450sq/ft, TF-100 Test Kit
    Heater Raypak 2100 400k btu cupro-nickel exchanger
    Auto pool cover, Polaris 280 auto pool cleaner, Jandy AqualinkRS8 Remote Control System

  6. Back To Top    #6
    mas985's Avatar
    Join Date
    May 2007
    Location
    Pleasanton, CA
    Posts
    11,489

    Re: Slow pool leak - are these the causes?

    Quote Originally Posted by neen01 View Post
    Is it hard to fix the grout? Is there a recommended grout?
    Any pool grout will do. EZ-Patch is fairly common and usually pretty easy to find.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •