However, what should you ask a plumbing service if you've never even hired one before? here are a few questions that can help you identify the professional from the amateur. Have any problems with your water mains? And then the bubbles started to come up and it went bang, hit the ceiling, it hit me right in the face and went through my clothes.". Got a tip, kitchen tour, or other story our readers should see? We help you choose a safe and easy-to-fit.