It’s spraying season, time for panicked phone calls about sprayers that won’t spray. One of the best diagnostic tools in my toolbox to figure out malfunctions in sprayers is a question: “What changed?

Let’s see: we have a graffiti problem – what should we do? How about we ban spray paint in the hands of teenagers, that should make it go away. Come to think of it we also have an obesity problem, so ...

Roughly 80 percent of spray paint is bought by consumers planning do-it-yourself paint jobs. Unfortunately, others use spray paint as a tool for graffiti. Various laws restricting or banning the use ...

Editor’s Note - February 18, 2026: As spring approaches, we’re preparing to expand this guide with hands-on testing of ...