Sera Marin Floating Glass Hydrometer ReptiFauna It is made of transparent

It is made of transparent acrylic

Menadione Sodium Bisulfite Complex)

For use in fixtures rated for T5 HO High Output lamps

Curved cutting edges for added safety

Inspired by the customer-favorite Front Range® Harness

Sera Marin Floating Glass Hydrometer ReptiFauna It is made of transparentFor the uncomplicated monitoring of marine water density The salinity (salt contents) can be deduced from the measured density. Since the salinity of marine water in an aquarium must be kept constant, the aquarium water should regularly be checked accordingly. The water to be tested is filled into a sufficiently tall water glass, and the scale of the immersed hydrometer is read off on according to its immersion depth.