The answer to 'my pressure washing is filthy' is that there are several common causes for a dirty pressure washer, including clogged nozzles, worn-out parts, and improper cleaning techniques. Symptoms can include reduced water pressure, uneven spray patterns, and visible dirt or debris in the water stream.
To troubleshoot and fix a dirty pressure washer, you can try DIY solutions like cleaning the nozzle, replacing worn gaskets, and thoroughly flushing the system. However, if the problem persists or you're uncomfortable performing maintenance, it's best to call in a professional pressure washing service to diagnose and resolve the issue.