The answer to 'why is my gutter guards water stains' is that water stains on gutter guards are often caused by mineral buildup or debris accumulation. This can happen when water evaporates, leaving behind minerals and sediment that discolor the guards. Another common cause is algae or mold growth, which can create unsightly staining.
To address this issue, you'll want to regularly clean and maintain your gutter guards. This typically involves removing any debris, scrubbing the guards to remove mineral deposits, and treating the area to prevent future staining. In some cases, replacing worn or damaged gutter guards may be necessary.