Is it safe to use normal water to clean solar panels?
We installed a solar panel at our home a few months back and it was one of our many steps to go green and be ecofriendly. In addition to the satisfaction of going green, while doing the utility bill tracking, we noticed significant savings in our electrical bills.
Anyway, we have heard that solar panels are to cleaned every 6-12 months in addition to regular maintenance. It's fine, but is it fine to use normal water to clean he panels? In this article: http://solution105.com/keep-it-clean-keep-it-green-the-importance-of-solar-panel-cleaning/ it's recommended not to use normal tap water, but use pure water. What will go wrong if we do it with pipe water? Any advice on what to do without causing any issues with the panels?