i found a easier way to wash rocks now that i have this new gorilla cart. its angled back and ability to dump makes it easy to "slurry" nasty rocks into clean ones , i have a stiff wand on hose and i just rake them out and then slowly rock them back and forth and dump the trash off and they are clean. works great! plus i have help from aquaponics tolling pitbull terrier number 25 lol. rock washing will always be work but this is easiest i ever had