Solar Panel Cleaning Brush

The best way to clean solar panels by using a soft rag or biodegradable soap. It is important not to use harsh materials when cleaning solar panels as they could cause damage, and solar panels are costly to repair. If you clean often, you might be able to just run a hose along the panels to remove any dirt. Water is the best solar panel cleaner, especially if it's deionized or distilled. This water attracts other chemicals, so it's more efficient for cleaning. If deionized or distilled water isn't available, treating hose water with a water softener can help improve its cleansing power.