Originally Posted by MadMax
Chalk is water soluble. It should wash out pretty easy.
I considered modifying mines to shoot pellets upwards. Unfortunately the designers appear to have tried to prevent shooting significant projectiles pretty thoroughly. Perhaps for safety reasons as these things could be forgotten on a field when people would be walking around without eye protection.
I think it was mentioned before on arnies that they had done this because many players use paintball masks and alot of them can take a BB from under and go straight up into the mask...
At 500PSI, that wouldn't be nice on the eyes.