Fortunately, you can perform maintenance and repairs on your own vinyl-lined pool with a simple and effective procedure using underwater pool liner repair kits. For deep underwater repairs, cut round corners on patch. Apply adhesive to patch and fold patch over upon itself. When you reach the damaged area under . Yes, You should be able to glue any patch under water. My first pool, a cheap Intex, had an underwater leak and I glued that using a cheaper patch kit. This liner patch kit is very similar to the HydroTools Vinyl Repair Kit and it can also work underwater. The difference is that instead of having to cut out sections of . Bestway Underwater Adhesive Pool Repair Kit. +. Bestway Heavy Duty Inflatsbles Repair Patch. +. Suds-online wet or dry swimming pool liner vinyl above . 1oz Underwater Glue and Material Repair Kit, Vinyl Pool Repair Kit . Happy Hot Tubs WET or DRY Swimming Pool Liner Vinyl Repair Kit Inflatable Patch . Hydro Tools 8850 Tear Repair Self-adhesive Vinyl Repair Tape - Works under water. This is the easiest way to fix tears without having to drain any water. Fortunately, you can perform maintenance and repairs on your own vinyl-lined pool with a simple and effective procedure using underwater pool liner repair kits. Hydro Tools 8815 4 Ounce Swimming Pool Vinyl Liner Underwater Repair Kit. Price. 2.99 . Intex Twin 8.75' Classic Downy Inflatable Airbed Mattress. Price. Jun 23, 2005 - Has anyone ever patched a leak under water in a pool liner in an . a circle and then put the glue on the vinyl patch, and get it stuck to the liner.