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Fishless cycling is a form of "maturing" an aquarium.The goal of the process is to establish a robust colony of nitrifiers, with the ammonia source provided to allow nitrifiers ('beneficial bacteria,' although nitrifiers can also be archaea) to grow and reproduce coming from non-fish sources, hence 'fishless.'
Schematic representation of the flow of Nitrogen through a common aquarium. Ammonia poisoning is a common fish disease in new aquariums, especially when immediately stocked to full capacity. Ideally, the level of ammonia (NH 3) and ammonium compounds (i.e. those containing NH 4 +) in fish tanks should be zero.
The tank should be maintained and cleaned up weekly with water changes, but full water changes are not necessary and may potentially harm the fish. [ 8 ] Breeding in captivity requires plenty of hiding spaces and consistent water quality. [ 24 ]
Reoxygenating the system water is a crucial part to obtaining high production densities. Fish require oxygen to metabolize food and grow, as do bacteria communities in the biofilter. Dissolved oxygen levels can be increased through two methods, aeration and oxygenation. In aeration air is pumped through an air stone or similar device that ...
Water changes are a staple of good saltwater maintenance. Larger (approximately 200 US gallons (760 L)) aquariums are much more stable and water changes may not need to take place if the nitrogen cycle has fully established itself in the tank, although this is a controversial statement among aquarists. Water changes are used to maintain balance ...
The city has 114 massive water tanks that store water for and help ensure consistent flow. All were full when the fire started Tuesday. Three 1 million-gallon tanks supply the hydrants in the ...
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