SWP is an HP-neutral solution for treating soiling on your solar panels. It is eco-friendly and Biodegradable. Approved by TUV and recommended by solar panel manufacturers. SWP is formulated to wash and protect solar panels due to the presence of antistatic elements. It ensures your panels are clean enough to absorb adequate sunlight 🌟 Cleaning of difficult organic contamination 🌟 2 in 1: Instantly applies an antistatic coating 🌟 Biodegradable, environmentally friendly and pH neutral 🌟 Certified by TÜV Sud and by PV manufacturers 🌟 Mixing ratio 1:50