Yes a patch kit is often an effective solution for repairing small tears or punctures. Choose a pond liner repair kit made specifically for your liner material. It should include a matching patch made from the same material, along with a strong, waterproof adhesive. To use a patch kit, first drain the pond to expose the damaged area and clean it thoroughly to remove any dirt, debris, or algae.
After thoroughly cleaning the area, allow it to dry completely. Cut the patch to size, ensuring it extends at least two inches beyond the tear on all sides. Apply the adhesive to both the patch and the area surrounding the tear, then press the patch firmly into place and use a roller to smooth out any air bubbles. Allow the adhesive to cure according to the manufacturer's instructions before refilling the pond with water.