How to Make a Poop Tube: 9 Steps (with Pictures)
· To make a poop tube, use PVC piping to construct an airtight tube that is at least 4 inches (10 cm) in diameter and 10 inches (25 cm) in length. Do your business into a paper towel, coffee filter, or plastic bag. Pack your bag or paper product into a sealable plastic bag along with some litter or powder detergent.