Desalination (also spelled desalinization) is the process of creating fresh water by removing saline (salt) from bodies of salt water. There are varying degrees of salinity in water, which affects the difficulty and expense of treatment, and the level of saline is typically measured in parts per million (ppm).
Catfish are a close second choice for best eating fresh water fish of Florida. It seems like there are more and more varieties of catfish available in Florida every yearâblue, brown bullhead, flathead, yellow bullheadâand who knows what catfish species is next to inhabit our rivers and lakes.
Freshwater Fish That Eat Algae. Many freshwater tropical fish are great algae eaters in their own rite. Livebearers including Black Mollies, Fancy Guppies, Platys and swordtails eat string algae and sometimes white beard algae. Guppies and Endlerâs Livebearers also do a number on the green algae in a tank.