Average Reviews:
(More customer reviews)I bought Mr. Sticky's Underwater Glue to seal up a crack in my hot tub. The crack was probably 1/16 - 1/8 inch wide by 6 inches long. Easy to mix, given the dual plungers, and easy to apply - I just smeared it on -- in the crack and over it. (I didn't try to apply under water, although they say you can do that too!) It cured as advertised and has held water tight through usage of the spa with 4 people in it. This is the only product I could find that would work, short of a professional fiberglass repair kit which would've been a major project. Needless to say I'm very pleased!
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