George, I used an oil based paint in my last canopy. Seemed to hold up fine for the time I had it. You can also get varnish in white. The inside of my stand now is done with that.
Actinic to white ratio is in the eye of the beholder. You're gonna have to figure that one out yourself. As a starting point, I think many people use 1:1.
And yes, you can use the WH7 to power PCs
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Brad
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