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Why should you only use Schedule 40 PVC pipe for your potato gun?

Schedule 40 PVC is the right length. Not quite! You can buy Schedle 40 PVC pipe in a variety of lengths. For your potato gun, you'll need a piece of pipe that's 2 feet (61 cm) long and a piece that is 5 feet (1.5 m) long. Try again...

Schedule 40 PVC is the right thickness. Absolutely! The number 40 refers to the thickness of the pipe. If you use thinner pipe than this, your pipe could burst under high pressure when you fire the gun. Read on for another quiz question.

Schedule 40 PVC is the right shape. Not exactly! While you might need to cut your pipe down so that it's the right length, all PVC pipe should be the same shape. If you're not sure what PVC pipe to buy, ask for help at your local hardware store. Pick another answer!

Schedule 40 PVC is perforated so it's easier to trim down. Try again! While you might need to trim your PVC pipe, Schedule 40 PVC doesn't make this process any easier. There is another reason to use Schedule 40. Pick another answer!