
How to Clean Concrete With a Pressure Washer
Learn how to clean concrete with a pressure washer: set the nozzle and pressure, pretreat stains, work in strips, and rinse without streaks or damage.
Plain comparisons of electric and gas pressure washers, plus surface cleaners and add-ons. Start with the job you need to do, or with the type of washer you are weighing.

Learn how to clean concrete with a pressure washer: set the nozzle and pressure, pretreat stains, work in strips, and rinse without streaks or damage.

Yes, a pressure washer needs a steady feed of water pressure to work. Learn how much inlet flow matters, what happens when supply drops, and how to fix it.

Does an electric power washer need oil? Most sealed pumps never need an oil change, but a few models do. Here's how to tell which one you have.

Do pressure washers need an outside tap? Yes, most corded electric models do. Here's how the hose connection works and what to do without a tap.

Can you use a pressure washer on a car? Yes, with a wide fan tip and distance. Learn safe PSI ranges, the foam-then-rinse method, and what to avoid.

Are Ryobi electric pressure washers any good? Yes for light home cleaning, but they top out at low PSI. See what they clean well and when to buy more power.

Are pressure washer surface cleaners worth it? Yes for flat concrete, patios and driveways: they cut cleaning time and stop stripes. See when to skip one.

Are battery powered pressure washers any good? They suit light rinsing and car washing, but corded electric models win on power for driveways and patios.

Can I run a pressure washer without water? No. Find out what happens when a pump runs dry, how to prime it, and how to protect it when storing.