Okay, so I've been messing around with my pressure washer lately, trying to get the best clean without damaging anything. Turns out, there's this thing called PSI – pounds per square inch – and it's super important. I learned that different surfaces need different PSI levels, and I found a chart that's supposed to help, so i decide to make a note of my own.

Figuring Out the Whole PSI Thing

First, I grabbed my pressure washer's manual. It's got some good info, but it's not always clear. Then I looked up "psi adjustment chart for pressure washers" online, and found some resources. But it's a general chart, so I decide to make myself a note of my practice.

I started low. I mean, really low, like around 500 PSI. I tested it on a small patch of my concrete driveway. It barely did anything! So I slowly cranked it up, bit by bit, watching closely to see what happened.

My Little Experiment

I used the pressure washer to clean several things, then I note that down:

• The car:I started to use about 1200 PSI. Too low and the dirt just laughed at me. I bumped it to around 1500, and that seemed to do the trick. I did it.
• Wooden deck: I dialed it way back. Started at 500 PSI, and slowly increased it to about 600-700. If it is too high, I'll probably make the wooden deck destoryed.
• Concrete driveway: This one could take more power. I went up to about 2000 PSI, and it worked pretty well to blast away the grime.
• The Brick wall: I use nearly 2500 PSI to remove the stain on it.

What I Learned

It's all about experimenting! But also, don't be dumb – start low and go slow. If you're unsure, test it out on a hidden spot first. Now, I got a good feel for what settings work best for different things around my house. And that is what I did today, hope it will help you as well.