Gunite pool leaking....? best ways to stop the leak(s)

[PoolDoc]

If the leaking stops at 6" below the normal water line, the leak(S) are NOT pressure side piping leaks, and are NOT at the main drain or light. They ARE somewhere at or above the minus 6" level, possibly in or around the skimmer or tiles, but also possibly in the cracks. 2" overnight, on a 20x40 pool is ~1000 gallons per day, or about 0.7 gpm. Several small cracks can definitely do that.

I wouldn't use silicone; it tends to get nasty looking and not last very long. But, I don't know what would be best; others may.

[etbrown4]

ok, so if not silicone, what else might we try?

[waste]

Welcome to the Forum!

While the plumbing lines were tested, was a visual inspection of the skimmers done? (I've seen frost-heaved decks crack the skimmer body, I suppose an earthquake could do similar damage)

[etbrown4]

We tested the skimmers in the summer before the minor quake. A pretty close visual lately turned up nothing. As soon as it gets a little warmer, we'll fill the pool and recheck the skimmers. We'll also check the tile line closely around the full perimeter. Thanks for the tip!