I filled this thing with water, which is 42 gallons @ 8.34lbs/gallon = 350lbs. It was not very effective.
So now I'm considering filling it with dry play sand, which is approximately 13.37lbs/gallon. 42 gallons = 561lbs
I'm curious if anyone else has done this with these poly rollers, that can share their input, good .vs. bad