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While very useful to reef aquarium keepers, halide lighting also uses a lot of electricity (150-400 watts being common) and produces copious amounts of heat. Most reef keepers mount halide bulbs at least one foot above their tank and some, due to the lights' heat output have had to add chillers to keep aquarium water cool.
A reef aquarium or reef tank is a marine aquarium that prominently displays live corals and other marine invertebrates as well as fish that play a role in maintaining the tropical coral reef environment. A reef aquarium requires appropriately intense lighting, turbulent water movement, and more stable water chemistry than fish-only marine ...
The Berlin Method of biological filtration is a method for maintaining a clean and stable environment within a saltwater aquarium, typically a coral reef system. This method relies on the use of ample live rock (rock with live marine organisms and bacteria on or in it).
A chase is an electrical application where strings of adjacent light bulbs cycle on and off frequently to give the illusion of lights moving along the string. With computerized lighting consoles, building chase sequences has become easier, while previously chases used mechanical means, such as a wheel with an electrified spindle which strikes electrical contacts for each circuit.
When oil floats above the coral reef, it will have no effect on the coral below, it is when the oil starts to sink to the ocean floor when it becomes a problem. The problem is the physical effect from the oil-sediment particle which has been found to be less harmful than if the coral came in contact with the toxic oil. [103]
The lighthouse was added to the National Register of Historic Places as Penfield Reef Lighthouse in 1990. [ 1 ] [ 12 ] In 2015, the Coast Guard executed a substantial rehabilitation project at the lighthouse, designed by architect Marsha Levy of the Coast Guard's Civil Engineering Unit Providence, to address the damage from Hurricane Sandy.
The reef lights were intended to mark local hazards and did not need to be visible for as far as the reef lights that were erected near the Keys during the 19th century. [ a ] By the time the lights in this list were erected, older lighthouses were being automated, and these new lights were designed to be automated from the start.
Latimer Reef Light is a sparkplug lighthouse on Latimer's Reef in Fishers Island Sound. [ 2 ] [ 3 ] [ 4 ] The lighthouse is located one mile northwest of East Point on Fisher's Island , Suffolk County, New York.
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