Cling Temperature Tape allows you to monitor water temperature at a glance, so you’ll never be left guessing. This easy-to-read thermometer attaches to your net or any smooth surface and gives an accurate water temperature reading within seconds. Color-coded zones—green for safe, yellow for warning, and red for danger—help you quickly gauge when conditions are safe for trout. A simple, effective tool to help you fish responsibly and protect the resource.