EPDM Pond Liner Repair Patch
6” square membrane patch with adhesive backing to repair small cuts or punctures. Easily Applied to EPDM rubber pond liner, just thoroughly clean and dry your liner, peel the protective backing, put in place and thoroughly rub or roll the patch to ensure contact with the liner.
You can use rainwater to fill your pond, but keep in mind that it is very soft water. If you primarily use rainwater, be sure to check your pH regularly because it could become too low and cause serous problems.