Video answer: Can glue dry underwater?
Top best answers to the question «Will gorilla super glue cure underwater»
If you are asking if original Gorilla glue will cure underwater, then no, it will not. If you are asking whether it's waterproof after it's cured, then yes, it's fully waterproof once it has cured and it's even used to glue rocks together for fish aquariums. Once it's cured, it is nontoxic and it's 100% waterproof.
Video answer: Gorilla glue - worlds best waterproof glue