Fluval Sea Hydrometer
Feast your eyes on the Fluval Sea Hydrometer - the ultimate tool for measuring salt levels and specific gravity in your precious marine environment. Not only is it accurate and easy to read, but it can also be used both in and out of your aquarium. Plus, its slim and low-profile design will blend seamlessly into your underwater world. Check out some of its other awesome features:
Our Fluval Sea Hydrometer provides an accurate and convenient method of measuring specific gravity and salt level in marine aquariums. Regular testing is strongly recommended as stable salinity levels are essential for the health of marine fish and invertebrates. Compact and easy to use, the hydrometer can be permanently installed inside the tank for continuous readings. Its slim, low-profile design camouflages well inside the tank and will not diminish the aesthetics of the aquarium. It can also be used as a portable device, allowing you to take samples simply by submerging it in the water. Featuring large, easy-to-read markings with ideal salinity range clearly marked in green for clarity.