You can also use WaterWeld to plug any larger holes. Step 3: Allow WaterWeld to fully dry and cure, about an hour. WaterWeld will cure underwater. WaterWeld will cure to white, and will be waterproof upon curing. Step 4: If desired, WaterWeld can be sanded and then painted to match the color of the pool.
Step 2: Add some food coloring to the water near the suspected leak. The food coloring will help you identify the exact location of the hole by following the water as it escapes. Step 3: Use a diving mask and snorkel to get a closer look at the pool liner. Look for any tears, punctures, or holes in the liner. 3 Large Holes. I was reading around on the forums on how to fix a whole in an above-ground pool liner, but am wondering how large the holes can be to make this still do-able. We have three good-sized holes from something blowing into the pool during 70 mph winds a few months ago. They range from 3-4" to 8" or so, guestimating. S1Ik. 310 38 256 245 21 436 158 463 483