You’ve got me thinking about running 600 grit lapping compound through some tight pliers that I just got. Not sure how to get it all out once I’m ’done’ though… worried it would cause excessive wear.
I’m an HVAC tech in southwest FL so I deal with this issue a lot. Unfortunately anything strong enough to kill mold or prevent its growth will also degrade the plastic polymer of the blower wheel. There are products out there from Rector Seal (Dust Free), Diversitech, and Fresh Aire but they...