To misquote a long-ago article from either Stereo Review or High Fidelity, "does your favorite LP sound like it was recorded at a pistol firing tournament?" If so, it's time to clean the "microdust" off your record. "Techmoan" tried a Gel, pressure washer, the kitchen sink, and "spray & rub" to clean a superfine- and regular-groove LP with...Oh, that's a "Spoiler," isn't it? Check it out for yourself, if your LP collection has gotten "too dirty for general audiences." Sorry, no puppets...again.