Warning: drywall dust ruined my laser level on a job site last month

I was doing layout for a ceiling grid in an old office building downtown, and my cheap laser was sitting right in the cloud of dust. After about 2 hours, the beam got all fuzzy and wouldnt hold level. A senior drafter saw me cussing at it and said "you gotta bag that thing or clean the lens with alcohol every 30 minutes." I tried his trick and it worked, but the damage was already done to the sensor. Has anyone else had tools get wrecked by something stupid like dust or moisture?

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morgan.joseph2mo ago

Actually it's not the sensor that gets wrecked, just the lens coating.

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