The answer to 'why is my sprinkler system bare spots' is that there are several common causes, including improper sprinkler head placement, clogged or damaged sprinkler heads, and inadequate water pressure. Bare spots can also be caused by uneven water distribution, poor soil quality, or pest damage.
Symptoms of bare spots include dry, patchy grass or soil that doesn't absorb water properly. Solutions may include adjusting sprinkler heads, clearing clogs, improving water pressure, or aerating and overseeding the lawn. For more complex issues, it's best to call a professional landscaper or sprinkler system specialist to diagnose and repair the problem.