The answer to 'irrigation system yellowing' is that it is a common problem caused by a variety of factors, including mineral buildup, nutrient deficiencies, and disease. Yellowing leaves on your lawn or plants can be a sign that your irrigation system is not functioning properly.
Some common causes of irrigation system yellowing include hard water leading to mineral buildup, lack of nutrients in the soil, or a fungal disease affecting the plant roots. To troubleshoot the issue, start by checking your water quality and soil conditions. You may need to flush the system or amend the soil to address any imbalances. If the problem persists, it's best to call in a professional landscaper or irrigation specialist to diagnose and fix the underlying issue.