A pond's entire ecosystem and health depends on the temperature of the water. Everything from daily feeding to the health of the fish can be affected by the variable changes in water temperature, during the day and during the four seasons. Knowing what the water temperature is of the pond will help maintain a happy and healthy water garden environment for your fish, plant life, and other pond animals. Our Pond Boss Floating Pond Thermometer will help you keep your pond water a safe temperature for your fish and plants. Durable, easy to read, and accurate, it’s all that you need in one simple piece. This thermometer reads in both Fahrenheit and Celsius scales and measures your water temperatures from 0 to 120 degrees Fahrenheit. It also includes a 36" durable anchoring string for your convenience.