While using a pressure washer or a power washer is a beautiful way to clean a deck efficiently in a quick time, it's not the only way to do it. You can clean a deck without a power washer in several ways and using a combination of different tools like – a broom, garden hose, vinegar, oxygen bleach, regular cleaning detergent, wood deck cleaning solution, etc. You can use several solutions like – detergent and bleach mix, potassium salts of fatty acids, soda and bleach paste, etc.