I am trying to repair a hot tub part using wet bond epoxy. It is supposed to adhere even to wet surfaces and create a seal. The part is the lid of my filter housing. It has 1.5" piping inlet and outlet. It is the outlet portion that has a crack. I applied the epoxy but due to the back pressure of the tub full of water it is still forcing water right through the epoxy. I have not pressurized the line. Will I have to drain my tub and remove the lid in order to make an effective repair or will the epoxy gradually seal the leak as it cures? I am working in temperatures close to freezing. Though I am able to hoard in the repair and provide some heat if needed. It seems that this product is not performing as advertised.
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