Nick, I just gear up to handle the fumes. I don't use a vacuum. I wear a respirator that is certified for usage on fumes, even as noxious as ammonia. I wear chemistry lab-style goggles and latex (or other) gloves. Ed Dryburgh sells tips that fit onto the bottles, and if they clog, you just nip that part off with shears or a blade. And a headlamp over all that gear, to really see where you're placing the fluid, it must look pretty scary to the piano owner, but according to the MSDS, CA is only an irritant. My eyes don't burn, I don;t have trouble breathing, the only issue is a sore neck, which I accommodate with by charging a little more for the job. Good luck. Joe Wiencek
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