Please choose the correct solution to the question: To fertilizer plants for free

Solution1: when you boil or steam some vegetables or eggs don't pour the water down the drain. Before the water has cooled pour it on your plants as fertilizer.

Solution2: when you boil or steam some vegetables or eggs don't pour the water down the drain. Once the water has cooled pour it on your plants as fertilizer.

Answer format: solution1/solution2
Answer: solution2