You don't need to know everything about plumbing, but it's important to know the basics. Here are 10 things you must know about plumbing leaks.
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Don't blow a gasket -- replace it. If you have water dripping from the shower spout, most of the time the cause is a defective washer or defective seat within its body. As long as you have isolation valves to isolate water to that area, it should be a relatively easy fix. Isolate the water to that shower, disassemble the handles and take out the stem where the washer is; then replace, reinstall and observe it.