How to repurpose a cartridge loaded CO2 Pistol for use as a salt shotgun producing a 2 inch pattern at 4 feet capable of tearing through aluminum foil with ordinary kosher salt. Carpenter bees and wasps beware!
So to follow up on results. If used immediately, the salt seems to shoot okay. If left sitting it will absorb moisture and become lodged in the cartridge. I substituted salt with sesame seeds and replaced the tissue paper with cotton to better effect. Also, don't tamp down too hard.