I have Asphalt composition shingle roof on 1 story ranch home
slope probably 20% and easy to walk on.
I have a ladder for easy access. My detergent was generic household
dish washing detergent which is safe enough for hands.
Mop is also a $10 mop with changeable pad.
I use a trickle of water from the garden hose to rinse the panel, apply the detergent on the pad and wipe the panel, then rinse it off.
Panel before cleaning:
Panel after cleaning (about 30min for 24 panels)
Not exactly the same angle I guess. Next time I will use tripod.
2 days ago it was a completely clear sunny day like today. Panels were cleaned
between 10:30am and 11am. You can notice the difference in the next 2 pictures. Power generated was about 4% higher. Not bad for 30 min of my time.
slope probably 20% and easy to walk on.
I have a ladder for easy access. My detergent was generic household
dish washing detergent which is safe enough for hands.
Panel before cleaning:
Not exactly the same angle I guess. Next time I will use tripod.
2 days ago it was a completely clear sunny day like today. Panels were cleaned
between 10:30am and 11am. You can notice the difference in the next 2 pictures. Power generated was about 4% higher. Not bad for 30 min of my time.
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