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| Dust, dirt, pollen, bird poop, all ends up on the solar panels. For them to be efficient, the glass needs to be cleaned periodically. It's not a difficult task (in my case), but a chore nevertheless. I use a garden hose and an RV soft bristle brush (Wal-Mart RV section). Takes longer to get ready and put the stuff away than the actual scrubbing. I clean the panels about once a quarter. YMMV depending on your location. |
 You can see the crud build-up along the bottom edge. Also notice the crack in the Northern Tool 15W panel frame. I'll need to fix this soon. |
 I generally start at the far end, work back towards where I climbed on the roof. Avoid walking on a wet roof. |
 Wet 'em down, scrub, wash 'em off. Nothing fancy. |
 The RV brush extends out several feet, making it easy to reach the entire panel. |
| Other than the usual warnings about climbing up on a roof, I'll add be careful pulling the hose across the shingles. The hose can snag the shingles, peeling them up... giving you something else to tend to. I managed to see what was happening BEFORE pulling the garden hose harder. |
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Last updated 04/20/11 All rights reserved. |
