sip has been assembled and filled. 40 gallon bin, 4 inch drain pipe and vermiculite floor. ended up with 7 gallons in the res, 3 cf of bas 3.0, 7.5 cups of cowoco, 7.5 cups of bus, 3 cups of craft blend and then did nice top layer of bus then kashi followed with some cowoco. Theoretically if i...