balacoo Glass Aquarium Hydrometer - 4 Pcs Fish Tank Hydrometer with Thermometer, Aquarium Glass Fish Tank Float Hydrometer(20 cm)

Floating design: The hydrometer floats in any corner of the fish tank, providing automatic temperature and testing Accurate readings: The hydrometer provides accurate readings of the specific gravity and temperature of the water in your fish tank or aquarium, ensuring the health and well-being of your aquatic pets Durable construction: Made with durable materials, this hydrometer is built to last and withstand the harsh conditions of a saltwater environment Suitable for marine fish tanks: Specifically designed for measuring the specific gravity of saltwater, providing convenience for raising marine fish Essential tool for aquarium enthusiasts: Whether you're a seasoned aquarium hobbyist or just starting out, this hydrometer is an essential tool for maintaining a healthy and thriving aquatic environment › See more product details