sandblasting material?

[JacobSchni]

I recently took my bed off and have been able to sand blast smaller parts at my dads work. but now i need to start on the frame with a soda blaster or small portable sand blaster. What kinda abrasive do i need?

[Tx Firefighter]

I use number 4 blasting sand. It comes in 100 pound bags from the lumber yard for 7 bucks each.

Works great. I probably go through 100 bags per year working on various projects around the shop. Don't breathe the dust.