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A deep sand bed (sometimes abbreviated DSB and also called a "plenum") is a filtration method used in some saltwater aquariums. A deep sand bed, like the Berlin Method, is designed to cultivate anaerobic bacteria in the bottom layers of sand, which can convert nitrate to nitrogen gas, thus eliminating the toxic substance from the water. In chemistry, alchemy and water treatment, filtration is the process of using a filter to mechanically separate a mixture. ...
It has been suggested that this article or section be merged with Marine aquarium. ...
The Berlin Method of biological filtration is method for keeping an aquarium, typically a saltwater aquarium, clean. ...
An anaerobic organism or anaerobe is any organism that does not require oxygen for growth. ...
Subgroups Actinobacteria Aquificae Bacteroidetes/Chlorobi Chlamydiae/Verrucomicrobia Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus-Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Nitrospirae Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Bacteria (singular: bacterium) are a major group of living organisms. ...
In inorganic chemistry, a nitrate is a salt of nitric acid. ...
General Name, Symbol, Number Nitrogen, N, 7 Chemical series nonmetals Group, Period, Block 15 (VA), 2 , p Density 1. ...
A deep sand bed is generally defined as a bed of fine sand at least 4 to 6 inches deep. This depth is necessary to ensure that there will be enough water receiving poor circulation. An established deep sand bed is actually made up of live sand which, like live rock, is full of bacteria and other marine organisms such as worms, crabs, snails, and stars. These creatures dig through the top inch or so of sand in search of nourishment, which helps circulate water much deeper into the sand than would be possible without their aid. Live rock is rock taken from the ocean which is usually encrusted with Coralline and inhabited by marine organisms. ...
In biology and ecology, an organism (in Greek organon = instrument) is a living complex adaptive system of organs that influence each other in such a way that they function as a more or less stable whole. ...
Deep sand beds can be made of any material, but typically fine or "superfine" sand is used, having a size anywhere between 1 mm and 0.05 mm. A larger size might allow for better circulation, which would in turn require a greater depth. At the same time, the larger particles could be too heavy for the worms and other inhabitants to move around, which would limit their ability to help. Lastly, very large particles (2 mm or larger) are very likely to accumulate detritus, which would necessitate periodic siphon cleaning. A well-chosen fine grain sand, on the other hand, will create a deep sand bed which may never need cleaning. In biology, detritus is organic waste material from decomposing dead plants or animals. ...
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