“LIVE ROCKS” These are pieces of rock or fragments of dead coral (madreporites), that are bound together by calcareous rocks or various pieces of debris from invertebrates. They are sometimes removed from their natural setting and sold commercially. “Live rocks” harbor various organisms: bacteria, algae, sponges, small Coelenterates, and sometimes even small crustaceans, hidden […]
HOW TO SUPPLY CALCIUM TO A CORAL AQUARIUM Method 1 From the start, i.e. when you put the first water in, use commercial salts enriched in calcium. Then, add the same salts over the course of regular partial water changes, at the rate of 10% per week. Some commercial salts are specially designed for marine […]
These are green micro-algae which live in the skin of Anthozoa and other organisms, such as sponges or giant clams, a type of bivalve mollusk. They exchange substances with the cells of their hosts. The carbon dioxide (CO2) resulting from the metabolism of the cells - i.e. the oxidation of the foodstuffs - is collected […]