Greetings Wrenches, I posed this question to the group a number of years ago and would like to ask it again, in case any new members have new ideas or any elders have adjusted their approach.
I am wondering if anyone can offer tried-and-true tips for cleaning modules: tools, materials, methods? I am particularly interested in cleaning solutions for large commercial flat-roof installations. I have always had success using a mild soap solution to help loosen dirt/pollen, but I recently read an article specifically advising against this: https://www.solarpowerworldonline.com/2020/05/pro-tip-never-use-soap-to-clean-dirty-solar-panels/ Any reactions? -- Corey Shalanski Jah Light Solar Portland, Jamaica
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