Under-Gravel Filters: This was the first true biological filter invented for the aquarium.
Don't Water Changes Keep the Biological Filter from Maturing?
Some people recommend not doing water changes while the tank is cycling because they believe that this will disturb the bacteria that are colonizing the biological filter and will ...
Biological Filter Supplementation
The Best way to get crystal clear water is to pro-actively provide bacteria cultures as biological filter supplement.
Biological filters
Of several designs for systems with livestock, if properly engineered, are the key factor in keeping your system balanced in your favor.
Biological Filter - A filter which uses bacteria to breakdown waste in the water into
substances which are less or not at all toxic.
Bio Wheel - A rotating paddle wheel type device that provides excellent wet/dry filtering.
Biological filter media provides a large surface area for live beneficial bacteria (nitrosommonas and nitrobacter) to cling to.
Biological filters and beneficial bacteria go hand and hand. Biological filters are much different than mechanical filters in that they house bacteria, and break down harmful substances on a molecular level.
Biological filtering breaks down waste particles. Using this type of aquarium filter will call for changing of the water more often, but it is the better system.
A biological filter.
A mechanical filter. This is necessary if you are using under gravel filter. However if powerful biological filter is use, these are unnecessary.
An air pump or water pump.
As in any biological filter the aim is to provide maximum surface area for bacterial colonisation, this is where live rock excels as a filter media.
UGF's make good biological filters, because the slow flow of water through the gravel fosters large colonies of beneficial bacteria which neutralize toxic ammonia. The hitch is, that UGF's are awful mechanical filters.
Bio-filter - Biological Filter. Any device or Substrate which provides an attachment site for the nitrifying bacterial colony in an aquarium. See Nitrogen Cycle.
Trickle Filters - Biological filters where water is trickled over filter media and exposed to air to help the Nitrification process. Click here to read our filtration guide.
Turnover - The rate of how much water flows within an aquarium.
U ...
Prepare a mature biological filter for the quarantine system when possible. Benefits: Provides a stable environment without exposure to toxins such as ammonia.
Q: Why doesn't my biological filter need cleaning?
A: First of all, it can be cleaned (most often by vacuuming), but never take the biological medium (i.e. gravel, crushed coral, sand, shells, rock) out and clean it in chlorinated water, ...
It takes anywhere between 6 and 12 weeks before your biological filter is completely established, and if you place too many fish in the tank during this period, you will kill them. Even after the bio-filter is established, make changes slowly.
A dedicated biological filter is significantly more effective. There are two basic designs: the undergravel filter and the trickle filter. An undergravel filter is a slotted plate under the aquarium gravel.
Floss-based biological filters are cleaned by gently rinsing them in used tank water that has been siphoned into a bucket. Undergravel filters are cleaned through regular vacuuming.
Without pH control in such systems, the pH would rapidly fall to a level where it became toxic to the fish and also the bacteria in the biological filter.
This is the conclusion I have reached after keeping some of them for more than 5 months in a small, 50 liter tank which was supported by a biological filter and no other gadget from the ones which are available today.
UGs operate best as biological filters. They unfortunately serve nicely as mechanical filters as well, especially in tanks using high-output powerheads.
Biological Filtration (nitrifying bacteria)A biological filter is a living entity that takes in oxygen and unwanted substances from the water. It generates its own waste products and creates a setting for beneficial bacteria to breed.
Live rock is usually extremely porous and is used as the primary biological filter in saltwater tanks that have it.
This will allow the biological filter to catch up faster and get the ammonia levels down. Feeding is the key here. Overfeeding is the most common cause of ammonia problems! ...
Canister filters, when used in conjunction with an additional biological filter, are an excellent choice for saltwater fish and reef aquariums. The advantage that these filters have in a saltwater aquarium is their ability to be customized.
Thus, if nitrifying bacteria in biological filters convert all available ammonium to nitrates, plants will be forced-at an energy cost-to convert all the nitrates back to ammonium. This may explain why several aquatic plants (e.g.
In order to build a super efficient biological filter, chemical and especially mechanical filtration are often sacrificed.
Some people are worried about damaging the biological filter of beneficial bacteria. This is very unlikely, as stated on the Maracyn instructions.
What we call biological filters are just housing - their main function is to maximize surface area for colonization by billions of helpful bacteria that do the actual filtering itself.
is more efficient in the presence of oxygen and the air contains about 20% oxygen, as compared to about 7% oxygen for water, trickle or wet/dry filters were developed in the 1980's which increased the efficiency of biological filters ...
Avoid cleaning all your biological filter at the same time. If there are several filter components, alternate cleaning each component.
All of these species can be kept in neutral water that is slightly soft without any problems and for tank maintenance this is the best way so you can have a biological filter.
I recommend the use of Large external filters with biological filter media in it i.e. ehiem ehfi substrat. Ok so you break the ammonia and nitrite down to nitrates. You need an effective method for removing this from the water.
The biological filter therefore comprises a support that will be colonized by bacteria, with circulation of water to provide oxygen.
A good tank will be equipped with a high capacity biological filter and be fully cycled (which usually takes a month or more.) Ammonia and nitrites should be kept at 0 ppm. Nitrates should also be kept as low as possible.
ACT should be used in all new fresh or saltwater tanks to quickly establish the biological filter. Restores biological action when the bio filter has been disrupted and also decreases organic sludge build-up.
Wet/Dry Filter - This is a biological filter with plastic gravel like media exposed to the air in order to promote rapid bacterial growth.
Foam also supports essential bacteria and can be a mechanical and biological filter media, as evidenced by internal filter systems, as long as a regular water change schedule is respected.
This filter uses activated carbon and glass wool (or peat moss) to serve as biological filters. They absorb and retain the fine waste products that float in the water, along with the harmful nitrates and ammonia by-products.
You can help to improve the rate of survival by keeping the tank water clean with regular fresh water changes or using biological filters. The disease were said to be a cause from poor water quality with secondary bacterial/viral infections.
The benefit of using live rock is three fold: First, live rock acts as a biological filter. Secondly, it introduces an abundance of marine life to the aquarium that many fish, invertebrates and corals use for food.
That's is to say, that the large particles are trapped out by the filter pads, organics are removed by, either a protein skimmer or activated carbon, and the 'chemical version' of animals waste is dealt with by the biological filter.
Biological filter augmentation can be very effective at speeding up the Nitrogen Cycle and biasing the aquarium to the bacteria in the bottle.
The important thing is to change the carbon frequently and regularly. But since the carbon also becomes a biological filter, it is good practice to have at least two filters of activated carbon and only change one filter at a time.
Leng Sy is not even convinced that live rock is necessary. Rock is though, as long as it is porous, it will pick up a sufficient biological filter during the cycle. The MUD does the rest in combination with the algae that grow in the system.
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biological filtration - a definition of the aquarium term biological filtra...
Top Aquarium Power Filters - Best Power Aquarium Filters for Filtering Salt...
Choosing Your Biological Filter Material ...
They are helpful if you experience a major spike in say-- ammonia, but if your biological filter is set up correctly you shouldn't have these problems often.
 See also: Filter, Water, Fish, Aquarium, Water change
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