Please choose the correct solution to the question: What should I do once the copper pipe solder has cooled down when working on a plumbing project?

Solution1: grab a rag and wipe the excess flux off as good measure and test your joints by turning the water back off.

Solution2: grab a rag and wipe the excess flux off as good measure and test your joints by turning the water back on.

Answer format: solution1/solution2
Answer: solution2