The Pagoda Rock is excellent for almost any type of aquarium, and works well in both fresh and saltwater aquariums. These Pagoda Rocks are dark brown rock with spots of lighter tans and browns that gives a natural look to your aquarium. It features multiple deep ridges that are parallel to each other. Its layering effect gives the Pagoda Rock an ?old? effect. It is very heavy, durable rock that is perfect for creatures that like to "rearrange" the tank they live in. The Pagoda Rock captivates any onlooker with its unusual morphology. It is best suitable for planted aquariums. The Pagoda Rock is easy to scrape that ensures trouble-free cleaning and looks terrific in planted aquarium. Since the Pagoda Rock is a type of limestone, its presence may affect your water parameters a little by raising both the hardness and pH of the water. The Pagoda Rock gives a better and neat look to your aquarium. Make sure to boil it first before adding it to the tank to avoid any unnecessary contaminants in the aquarium.
An excellent starter hard coral, it prefers low to medium light. Metal halide or HQI lighting can harm this coral if it is not in a shaded area. Very resistant to most coral diseases, it prefers a medium to strong random water current. This coral is easy to keep, as long as it is placed off of the sandy bottom and swept/blown clean of detritus and mucus.Corals are part of a biological group known as Cnidaria. Most Cnidaria have a mouth,or mouths, that opens into one big body cavity. Due to the lack of a true digestivesystem, this cavity acts in its place and after the food is broken down thenutrients are then sent through the rest of the body as food. There is also noexcretory system; therefore the waste is sent back through the mouth or secretedinto the surrounding water.Tentacles of varying size will usually surround the mouth of Cnidaria. Most Cnidariahave tentacles with stinging cells that can shoot tiny poison darts into their preyor can even be used as a defense mechanism. Some corals lack tentacles and insteadcover themselves with a thin layer of mucus and use that to collect bacteria andplankton as food. Some corals even use both of these methods. Cnidaria can either bean individual animal or members of a complex colony. These "Colony Corals" share thefood and nutrients taken in by each individual.Corals have tiny living organisms that actually live in their tissue. These arecalled zooxanthellae and they are the reason why such strong lighting is needed inthe saltwater aquarium. These algae-like creatures provide the coral with oxygen andother nutrients that are produced during photosynthesis. During this process, thezooxanthellae take up carbon dioxide and provide nutrients to the coral.Corals can use two different types of defense mechanisms. One of which is a sweepertentacle wherein the coral reaches its tentacles out to try to damage another coralwith nematocysts. The other is when the coral releases a minute amount of toxin intothe water to poison another coral within certain proximity. Most "Hard Corals"should not be placed within reach of another coral.