The homepage calendar is the summary. Below are the deep-dive articles on each season's specific chemistry, expected production loss, and what to do about it.
The chemistry of what makes pollen the stickiest residue your panels face. April is the ideal clean window.
Where the dust comes from, how the heat bakes it on, and why mid-July is the right clean date.
What burns, what lands, what stays. Why cleaning within 7 days is the difference between a one-pass clean and a stuck-on varnish.
The myth that "rain cleans my panels." When it does, when it makes things worse, and what bird buildup adds in December.
Free and quick.
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