The answer to 'why is my sprinkler system disease' is that your sprinkler system may be experiencing a variety of issues that can lead to disease or other problems. Common causes include improper maintenance, leaks, clogged or damaged sprinkler heads, and issues with the water supply. Symptoms can include uneven watering, low water pressure, and visible signs of damage or decay.
To troubleshoot and resolve the issue, you'll want to start by inspecting your sprinkler system thoroughly. Check for any leaks, clogged or damaged sprinkler heads, and ensure the water supply is functioning properly. Depending on the extent of the problem, you may be able to address it yourself through basic maintenance and repairs. However, for more complex issues or if you're unsure of the root cause, it's best to call in a professional landscaping technician who can properly diagnose and fix the problem.