Please choose the correct solution to the question: A concrete porch/ patio can be cleaned how?

Solution1: Mix 1/2 cup baking soda to one gallon of water for a gentle cleaning solution. Add 1/8 cup of liquid dish detergent. Spray on patio surface, let sit for 30 minutes, then scrub and rinse. For heavily stained or mildewed patios, you may need a pressure washer.

Solution2: Mix 1/2 cup baking soda to one gallon of water for a gentle cleaning solution. Add 1/8 cup of wood cleaner. Spray on patio surface, let sit for 30 minutes, then scrub and rinse. For heavily stained or mildewed patios, you may need a pressure washer.

Answer format: solution1/solution2
Answer: solution1