Fish safe sealer that can be used underwater for instant repairs. Pond and Aquarium Sealer. No longer need you worry about sealing that pond liner and installing a bottom drain use Gold Label Underwater Sealer and it will never leak, in fact you would have to break the bottom drain to be able to remove it, repair instantly a cut in the liner below the water level, if you can reach it then you can seal it without any worries whatsoever.
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