Leak Pool Liner? The LeakTrac detects electrical current flow in the water as it seeks these ground connections, LeakTrac produces audible signals that lead the operator to the exact location of the leak.

LeakTrac 2200
The LeakTrac 2200 utilizes proven technology to find vinyl liner leaks fast...without dye...without draining the pool...and without getting into the water. Leak Pool Liner using LeakTrac 2200 eliminates the frustrating, expensive and time consuming task of visually inspecting every inch of a liner. Leak Pool Liner? while standing on the deck. The operator is able to first establish a leaks general area, then pinpoint even the smallest leaks in minutes. This technology is effective in any water containing vessel with an electrically insulating shell, (vinyl, fiberglass, acrylic, etc.).

Leak Pool Liner with LeakTrac 2200, find out by going to the Leak Tools website. Below are some of the LeakTrac 2200's Features and Specifications.

Features:
Durable probe attaches to the end of a standard telescoping pole.
Easy to use controls for long or short range tracking.
Solid state durable construction.
Low battery indicator.
1 year limited warranty on materials and workmanship.

Specifications:
Input current less than .1 amp.
Frequency (wireless model) 916.5 MHz
Batteries: input booster - 16 AA batteries signal process Unit - 2 - 9 volt batteries.
Weight: signal processing unit w/ neck strap less than 1 lb total w/ case and light cover 18 lbs.
Case size: 7" x 19" x 14-1/2".

Maintenance Forums
At Maintenance Forums a user started the below discussion asking the question, Leak Pool Liner. If this is helpful in anyway you can find out what kind of help he received, by going to the Maintenance Forums on he right of the page.

"Does anyone know of any useful techniques or technologies that can show me Leak Pool Liner?"

"Would be interested to discuss two cases:"
"Case 1 - you don't have any idea where the leak is."
"Case 2 - you have several ideas of places that look suspicious and you want to confirm whether there's a leak."

"Regarding case 2 - Leak Pool Liner? I tried colored saran wrap. I thought it might stick tight to the area of a leak. It didn't, so either not a leak or not an effective techniques. I have about 6 suspicious places so I really don't want to start patching them without confirming which one is causing my problem."

"Don't want to talk about draining the pool."
"Thx for any ideas."