Dreyoo 4 Pcs Floating Aquarium Thermometers, Floating Glass Aquarium Thermometer with Suction Cup, Mercury Free Large Standing Thermometer for Freshwater and Saltwater Fish

Package Includes: You will receive 4 pieces of floating glass aquarium thermometers and 4 pieces of suction cups, these fish tank thermometers can be safely applied inside both freshwater and saltwater fish tanks, allowing you to monitor water temperature effortlessly

2 In 1 Design: These floating aquarium thermometers provide temperature readings in both Centigrade and Fahrenheit, these standing thermometers have clear temperature markings and are accurate from 0-43°C/32-110°F

Suitable for Fresh and Saltwater: Our floating glass aquarium thermometer is designed for freshwater and saltwater tanks, which is adaptable to various climates and easy to read temperature at all times

Quality Material: Our fish aquarium thermometer is made of quality glass material, which is not easy to break or deform, mercury free, safe to use in both freshwater and saltwater fish tanks and can be applied for a long time

How to Use: Place the fish aquarium thermometer vertically in the fish tank. Let the colored liquid collect at the bottom so you can easily understand the exact temperature in the fish tank