The answer to 'gutters water stains' is that water stains in gutters are typically caused by mineral buildup, debris accumulation, or improper gutter installation. These stains can be unsightly and may indicate a larger problem with your gutter system. The most common symptoms include water marks, rust, and discoloration along the gutter walls and downspouts.
For minor stains, you may be able to remove them yourself using a gutter cleaning solution and a soft-bristle brush. However, if the stains are severe or you notice other issues like sagging, leaks, or overflowing gutters, it's best to call a professional roofing contractor. They can inspect your entire gutter system, identify the root cause, and recommend the best course of action, whether that's a thorough cleaning, gutter replacement, or other repairs.