I always dried the keyboard with a fan, which I also used to keep my hands dry. I performed in the Florida Keys where the dew settled like light rain after the sun went down. Consequently, I found that the best option was to purchase one of those 10 X 10 tents, which kept the dew from settling on me and the keyboard. I bought it on sale at K-Mart in Marathon Key for under $50.

Gary cool
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)