Please choose the correct solution to the question: How do I ensure the mold is sealed when making a concrete countertop?

Solution1: You'll need to properly seal the mold using a screwdriver. You want the caulk to have extra clean edges.

Solution2: You'll need to properly seal the mold using silicone caulk. You want the caulk to have extra clean edges.

Answer format: solution1/solution2
Answer: solution2