What is the best way to keep solar panels clean? For best results and to ensure that you don't scratch your solar panels in any way, simply use water and a soft, non-abrasive sponge or cloth to clean away dirt and debris. Like you would with glass windows or when washing your car, dry with a squeegee or chamois to avoid leaving residue behind. solar cleaning hanger clamp manufactures in Rajkot solar cleaning hanger clamp manufactures in Gujrat solar cleaning hanger clamp manufactures in India solar cleaning hanger manufactures in Rajkot solar cleaning hanger manufactures in Gujrat solar cleaning hanger manufactures in India