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Nano-reef aquariums are saltwater tanks that are much smaller than typical reef tanks. Nano-reef tanks may be as small as five gallons (19 liters) but no larger than 30 gallons (114 liters). Many aquarium hobbyists enjoy keeping these types of reef tanks because they are primarily self-contained and require little care. When nano-reef tanks are set up correctly and maintained with proper lighting, cleaning and water-changing techniques, the aquatic life in these aquariums will thrive.
Saltwater xenia, also known as pulsating xenia, is a type of soft coral. These corals are tan in color. They form branching polyps, which pulsate, giving them their name. Xenia grows quickly and can form large colonies. Unlike many coral species, xenia corals adapt to different water and lighting conditions and are generally easy to care for. However, these corals can sometimes be finicky, and may begin to deteriorate for no apparent reason.
Saltwater fish tanks can captivate even in the age of fish screen-savers and always-on Internet connections. Marine fish are very beautiful and have personalities not found in freshwater fish. Saltwater tanks can also be a lesson in chemistry, biology and discipline. Take your time setting up the tank, and do it right. Your fish friends will thank you.
So you saw "Finding Nemo" and you want to own him, or you're sick of guppies and tetras and you want to take care of the much brighter, arguably more interesting looking saltwater fish. Fair enough. Please bear in mind that if starting a salt-water aquarium from scratch, you need to wait at least a month before adding any fish so that the water conditions are appropriate for the fish. Otherwise it will die very quickly.