One of the big "secrets" in plumbing seems perfectly obvious once you finally realize it: The pipes don't fit together for a reason. This applies to a lot of plumbing fittings, and of course, it ...

Applying all-in-one glue to PVC pipe - ungvar/Shutterstock Don't ask this at Home Depot: "I need to glue pipes together. Do you have that stuff that comes in metal cans with a little applicator?" The ...

worker applying blue pvc glue on pipe placed on sandy ground with few grasses - Photovs/Getty Images Let's say you've busted out your DIY gloves and want to glue some PVC pipes together. PVC gluing, ...