The most basic water quality parameter in a saltwater aquarium is the Salinity. The unique, patented design of Red Sea’s hydrometer enables the hydrometer to be installed permanently inside the aquarium or sump giving a continuous “real-time” reading of S.G. in addition to being used as a regular...
Our Price: $12.90
I'm a Moderator on a very large Reef board and have been recommending your site to people that are looking for hardware or dry goods for their reefs and your prompt e-mails are quite welcome.