Preparing Artificial Sea Water for Aquariums

A Marine Tank requires periodic water changes.  The water for the marine tank can be obtained directly from the sea through aquarium suppliers or can be mixed at home.

Artificial seawater is obtained by mixing marine salt mixes available at your pet store.  These mixes contain salts along with the ions and trace elements found in the sea.

The salinity and the specific gravity are two important parameters to be checked before adding the water to the aquarium.

Specific gravity is measured with a hydrometer while salinity is measured with a refractometer.