Zoe, after reading all this thread, here is my suggestion. Stop worryng about a pond that USED to leak. A high % of people with ponds would love to have a pond that lost 2 or 3 inches in 2 wks. Go get you some fatheads and bluegill and make yourself a fishing pond. Stock largemouth in the late summer when the BG get to 4-5 inches. That is, unless you have other species in mind.
