Originally Posted by Old Fool
You could sure to that, might give a nice caffeine hit to help blocking !
Or get one like this and put it out in your shop
Old Fool, I bought my wife a nice new Mr Coffee grinder and heisted the one we've had for years, looks just like the Krups in your photo. 4.50 worth of artists charcoal ground up really nice and works great in my 3M guidecoat kit, beats the 50.00 for the 3M refill kit.
Thanks for the tip!