Yes, a toilet, sink, and shower can share the same vent. This is a common plumbing practice that can simplify installation and save space. When sharing a vent, it's important that the toilet is located downstream from all other fixtures. You will also need to ensure the vent pipe is large enough to handle the demands of all connected fixtures without compromising its effectiveness. Because requirements can vary, you should always check your local building and plumbing codes. Consulting a qualified plumber is recommended to ensure the vent is properly sized, installed, and adheres to all local regulations.

While the drain connection for a garbage disposal is nearly universal and fits standard sink drain holes of 3 1/2 to 4 inches, the size of the disposal unit itself is not. You must have enough space in the cabinet underneath your sink to accommodate the disposal's housing. A larger model may not fit in a compact cabinet or if the existing plumbing is arranged in an unusual way. Before buying a new garbage disposal, measure the available space under your sink. If you are replacing an old unit, it's often easiest to choose a new model of a similar size.

A good option for opening up and cleaning a sink drain is to use a ¼ cup of baking soda and 1 cup of white vinegar, along with a rubber stopper to cover the drain while those materials work their magic. After about 15 minutes, you can flush the drain with hot water. In many cases, these materials can scrub out minor clogs and get the drain working properly again. If the issue persists, call in a plumber near you to get the problem permanently fixed.

The main cause of bathroom leaks is seals and connectors that loosen or deteriorate over time, causing leaks to develop. It's important to stay on top of your bathroom materials, as toilets, showers, and sinks all have different lifespans. Toilets and faucets last between 10 and 15 years on average with regular maintenance, but different parts may have shorter lifespans than others.