Should I leave the tarnish shield for a while in the flute and then take it out???
The manufacturer's instructions for 3M Tarni-Shield read:1. Shake well2. Apply liberally with soft cloth. For best results, rub thoroughly.3. Rinse with water, then let stand 2 to 5 minutes.4. Buff dry to high luster with soft cloth.The process may be different for other brands of tarnish preventers. Check the product labels or manufacturers' websites.The products are similar to car wax in that they leave a thin polymer coating that offers a little protection and makes keeping the instrument clean a little easier. They will NOT prevent all tarnish all on their own! You need to take care of your flute and wipe it down after you play.Karl Kornfeld, Powell Flutes Finishing Dept.
that product contains the ultrasound machine? and acid, which is trademarked? (Sorry for the translation)
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