Underwater Epoxy Putty Repair Stick - Waterproof & Marine Grade - 112g, Hot Tubs, Swimming Pools, Boats, Pipes & Leak Fix. Waterproof & Marine Grade - 112g. Underwater Epoxy Putty Repair Stick. WORKS UNDERWATER: Leak-proof design allows application on wet and damp surfaces, even directly underwater in fresh or salt water.
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