It protective colloids as well as high content of SPS corals necessities Ca, Mg, Sr etc. which can preferably improve the colors and vitality of hard stone corals in aquariums. It protective colloids as well as high content of SPS corals necessities Ca, Mg, Sr etc. which can preferably improve the colors and vitality of hard stone corals in aquariums.

Corals are formed by the accumulation of shells secreted by corals. Shallow water can get more sunlight and have suitable temperatures, which are good for the growth of algae, thus providing more oxygen to the polyps. Therefore, corals generally grow in warm shallow waters. Corals are formed by the accumulation of shells secreted by corals. Shallow water can get more sunlight and have suitable temperatures, which are good for the growth of algae, thus providing more oxygen to the polyps. Therefore, corals generally grow in warm shallow waters.