The answer to 'pressure washer buildup' is that it is a common issue caused by a variety of factors, including mineral deposits, chemical residue, and improper storage. Symptoms can include decreased water pressure, clogged nozzles, and reduced cleaning effectiveness. To address this, you should first try cleaning the pressure washer components, such as the nozzle, hose, and pump, using a cleaning solution or vinegar. If the buildup persists, you may need to replace worn parts or have the pressure washer serviced by a professional.
Pressure washer buildup can be a tricky problem to diagnose and fix, so it's important to carefully follow the manufacturer's instructions and safety guidelines. In some cases, it may be best to call in a professional cleaning technician, especially if the issue is related to the internal components of the pressure washer or if you're unsure of the cause.