I have a dog dooley waste biodegrader system, had to order from U.S., and found our ground is clay under us, not as much soil as required for system to function lol. Have spent 200.00 with the waste removal pellets. only asking 60.00 obo. Please contact through this post, email roxycafe_3@hotmail.com, as i do not have a cell phone. Thank you and have a great day!! 780-489-3046