Add to cart 50 ML Injector Dispensing Gun Kit – Pool Crack Repair $74.89 Rated 5.00 out of 5 Dispenses AquaGuard 5000 Trowel Repair Super Epoxy Used for Concrete and Fiberglass Pool Crack Repair | Pool Skimmer Repair AquaGuard Super Epoxy is a chemical resistant, non-sagging epoxy injector system that can be used on concrete, fiberglass and carbon steel swimming pools. Use it to install tile and Mosaics; to set Rebar Dowels & Staples or as a grout. It will also set Wall Hooks & Hand Holds. It repairs large and small cracks in Concrete, Fiberglass and Skimmers. Includes 1- 50 ml Cartridge & 2 tips. Extra Cartridges & tips available to purchase separately.