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: $13.65
These high precision hydrometers are handmade in Germany by experienced craftsmen. They have a maximum deviation of 0.0005.
These hydrometers never need calibration. Indispensable for scientists and the committed hobbyist. The higher price wil...
Our Price: $33.35
...you folks actually took the time to answer my questions. I know good customer service when I see it! Thanks for taking the time to respond to my e-mail, I am sure I'll be back when I need something else. Thanks!