I don't own a pressure washer, but I was thinking of buying one.
Probably gasoline powered, not intending to pay more than $1000.
I was wondering if it's possible to set one of those units up to do
abrasive water blasting (to clean up some concrete surfaces). I'm
wondering what extra do-dads are required (injector? hopper? nozzle?
I see that bicarbonate of soda is one option for the media (ie Arm &
Hammer Armex or similar) but that seems to have the potential to harm
grass, bushes, trees, etc. I'm wondering what else can be typically
added as an abrasive media that requires no special precautions for
Can ordinary sand be used by these pressure washers as an additive?