Pool Putty, 2 in 1 Pool Putty for Leaks Underwater or Above, Pool Leak Sealer Fix Cracks Leaks for Concrete, Fiberglass & Variety of Other Surfaces - 4 oz(1 Pack)

Had a slow leak in my pool for years. Pool service kept complaining the pool was leaking and using a lot of chemicals. I found a company that detected the location of the leaks. The cost to repair was over $4k (to rip out the concrete, pipes, etc.). I researched and found this product online. I used as directed (super easy) and… OMG! It works!! As soon as it cured under water (24 hours), the leak stopped completely! Just pull a piece off, knead with your fingers until the putty is blended to the same color, and press in place. Clean your sticky fingers with some rubbing alcohol or nail polish remover. I HIGHLY recommend!!

My pool now seems to be losing more water than before I used the putty. Do not recommend.

Ordered for a slightly different use than a pool, but still needed to be able to have it seal while wet. Cool product - came in a bit different than I expected, but works well.

Love having this on hand. Needing to patch something and save a lot of time and money using a product like this is golden.

Putty falls apart, disintegrates under water and makes a white cloud so you can't see what you are doing. Most of it will be left on your glove or hands. What I was able to put on pool wall didn't cure. It doesn't mix smooth like others I have tried either.