Fill the tank about a third of the way full with water that has been de-chlorinated. The next step is to add any plants or decorations to the tank. Check with your retailer on the specifics for adding live plants. Some live plants need to be anchored, while others can be left free floating. Next connect the air pump and filtration system, and fill the tank the rest of the way. Remember how much was consumed previously and try to replicate that at the next feeding time. Over feeding fish is a common mistake, especially amongst new aquarium owners. The next item on the list of raising a healthy fish is keep the water properly regulated. It is imperative to keep the salinity levels, P. Coral is no different as it is a live animal that you will be adding to your tank. The care and maintenance of coral should be well understood before making the final decision to add this beautiful animal to your aquarium. The most common species of coral that are used in aquariums are called bubble coral. As you can see these specifications are much more forgiving than those for certain tropical or marine fish. Guppies mature quickly and usually only grow to be about one and a half to two inches long. There small bodies and feathery fan like tails add a lot of interest to the tank. They are just fun to watch. It's best to understand how to care for your saltwater tank before even buying one so as to avoid possible problems down the road. The first thing you should be aware of is that you will need to buy filtered water or buy a reverse osmosis kit. Otherwise you can use regular water, making sure it is at the correct temperature, and add in chemicals to remove chlorine and other unwanted chemicals. It is suggested that the roots be tied to pieces of rock or wood. These species usually grow to be fairly tall and will add length to an aquarium. When planting these, remember to allow plenty of room for growth. The roots will grow outwards and require additional space. Another type of aquatic plant is known as cuttings.