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An aquarium powerhead is typically used to create flow throughout the tank.For example, a single powerhead could be used at one end of a freshwater aquarium to simulate a laminar river current, or multiple powerheads can be positioned throughout the aquarium to create more turbulent flow.
Randoseru at a school A premium 84,000 yen (about $938 or €530) randoseru made of cordovan on sale at Mitsukoshi department store in January 2008. A randoseru (ランドセル) is a firm-sided backpack made of stitched firm leather or leather-like synthetic material, most commonly used in Japan by elementary schoolchildren.
An aquarist owns fish or maintains an aquarium, typically constructed of glass or high-strength acrylic. Aquaria with flat walls are known as fish tanks or simply tanks, while those with rounded walls are known as fish bowls. Size can range from a small glass bowl, a few liters in volume, to immense public aquaria of thousands of liters.
Living Color Aquariums (also known as Fish Tank Kings on National Geographic Wild [1]) is a custom acrylic tank manufacturing company with headquarters in Fort Lauderdale, Florida. [2]) They design and manufacture custom acrylic aquariums , water features , acrylic art, and themed exhibits.
Some filter materials, such as plastic "bioballs", are best used for biological filtration. With the notable exception of diatom filters, aquarium filters are rarely purely mechanical in action, as bacteria will colonise most filter materials effecting some degree of biological filtration. [1]
A 30 L top and bottom-loading Deuter Trans Alpine hiking backpack A 12 L front-loading Canon 200EG photography backpack. A backpack—also called knapsack, schoolbag, rucksack, pack, booksack, bookbag, haversack, packsack, or backsack—is, in its simplest frameless form, a fabric sack carried on one's back and secured with two straps that go over the shoulders; but it can have an external or ...