Aquarists use all sorts of equipment to maintain the water quality of the [tag-tec]saltwater aquarium[/tag-tec], and very important water quality is! One piece of equipment every aquarist should have without exception is a hydrometer.
The word hydrometer conjures up a vision of a highly sophisticated, scientific and technical item. Well, it isn’t. There are hydrometer types that are suited to the vast majority of aquarists, and more advanced and very accurate types that would be suitable to the super keen, super dedicated and “nothing is too good” aquarist. We’ll look at the common hydrometers. [Read more]