Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Deep sand bed
open-in-new
<p>A deep sand bed is a <a href="/facts/Filtration/x4no9XQy">filtration</a> method used in some <a href="/facts/Saltwater_aquarium/jnPMTvG6">saltwater aquariums</a> and some <a href="/facts/Freshwater_aquarium/VQcqoA29">freshwater aquariums</a>. A deep sand bed, similar to the <a href="/facts/Berlin_Method/YsH0eyY5">Berlin Method</a>, is designed to cultivate <a href="/facts/Anaerobic_organism/bhQnlqCq">anaerobic</a> <a href="/facts/Bacteria/wC8xSCsU">bacteria</a> in the bottom layers of <a href="/facts/Sand/MdTIt0M8">sand</a>, converting <a href="/facts/Nitrate/5AnVlYnL">nitrate</a> to <a href="/facts/Nitrogen_gas/Nf1QpGDz">nitrogen gas</a> to remove toxic nitrates. </p>