I have an above-ground , vinyl lined pool. I'm losing maybe an inch of
water every two days. I can see where the water is coming out on the outside
base of the pool, but can't find any hole or tear in the liner. Can you give
me some suggestions on how to find the leak?
Thanks for your time,
At 1/2 inch per day, probably not.
How to determine if water loss in your pool is due to evaporation or a
1. Bring pool water to normal level.
2. Fill bucket with pool water to about 1 inch from the top.
3. Place bucket on first or second step of the pool.
4. Mark water level on inside of bucket.
5. Shut off pump and mark pool level on outside of bucket.
6. Resume normal pump operation.
7. After 24 hours, compare the two levels. If the pool water (outside
mark) goes down more than the inside water level, there is a leak.
get in the pool, walk around and feel for the slightly spongy spot,
then put on your goggles and start looking in that area. i've found
many a leak this way, you already know where it's coming out so it has
to be uphill from there.
Thanks for the help so far, but...
I can see the water leaking at the base of the pool (outside), so I'm
definitely looking for a leak (as opposed to evaporation). The pool holds
13,000 gallons of water, I'd rather not let it leak until it stops. I tried
food coloring in the pool, but found nothing (it looks pretty cool, though).
Any other ideas? How do the "Pros" find leaks?
you have a pretty good clue if you can see water coming out at the
base...at least you can pretty well narrow the leak down to one
particular side of the pool...now let it leak until it stops...get
some "duct tape" and mark the water level at several points on the
wall. Move around the wall at this level examining the liner for holes
or tears. You should see it! If not, fill it back several inches
higher than your duct tape markers...get in the pool with a face mask
and a bottle of the phenol red from your water test kit...move around
the wall and squirt a little phenol red every few inches along that
line formed by the duct tape. If you squirt it near the leak, you will
see the red getting sucked out just like a vacuum cleaner.
If you still can't find it, there are locator services that can
pinpoint it for you with underwater sound detection equipment!
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