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A switching or variable-voltage system (also known as a "wavemaker") is commonly used in reef aquaria to more closely simulate the movement of ocean water. [ 1 ] Water circulation is vital to proper biological filtration of most saltwater aquaria (particularly those using the Berlin Method ), and is useful in freshwater aquaria for allowing ...
The reef knot can capsize if one of its standing ends is pulled.. A knot that has capsized or spilled has deformed into a different structure. Although capsizing is sometimes the result of incorrect tying or misuse, it can also be done purposefully in certain cases to strengthen the knot (see the carrick bend [4]) or to untie a seized knot which would otherwise be difficult to release (see ...
In this design, water is fed by gravity to the filter below the aquarium. Prefiltered water is delivered to a perforated plate (drip plate). Prefiltering may take place in the aquarium via a foam block or sleeve in the overflow, or weir siphon, or it may be prefiltered by filter wool resting on the perforated plate. The waste laden water from ...
Water bowline – type of knot designed for use in wet conditions where other knots may slip or jam; Water knot – frequently used in climbing for joining two ends of webbing together; Waterman's knot – a bend with a symmetrical structure consisting of two overhand knots, each tied around the standing part of the other
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.
Rope pump in Milan Science Museum. A rope pump is a kind of pump where a loose hanging rope is lowered into a well and drawn up through a long pipe with the bottom immersed in water. On the rope, round disks or knots matching the diameter of the pipe are attached which pull the water to the surface.