I am curious to know what measures people have had to go to in order to eliminate dust from negatives when printing. This is a constant battle for me and it isn't helped by my perfectionist nature. I can brush, blow (before you say it, not with my mouth) and curse at negatives and dust will still appear where it wasn't 15 seconds ago.I have cleaned the enlarger out on several occasions and cover it between uses. I clean contact printing frames regularly and practicly between each print. I have heard that it is a good idea to ground your enlarger but I am unclear what this does for me. I am looking for the definitive solution folks! Thanks in advance.