If your hang-on power filter (such as the popular Penguintm, Whispertm, Aquamastertm, or Aquacleartm models) won't start, here's what to look for: ...
This is the first power filter to combine high-end performance with multiple filtration options. Filter features not one pump (as in ordinary power filters), but two separate water pumps.
I must say that my Whisper Power Filter is the best filter I have ever owned. I have had Aqua-Tech power filters before, but my Chinese algae eater kept getting into it. It had pulled a nemo:))(( The Tetra consumer help line is great, too.
The Marineland Emperor 400 is the best power filter I have ever used. The Emperor Series power filters in general are the best power filters for their relative size classes, ...
Power Filters
Without a doubt power filters are the most commonly used aquarium filters. The standard power filter hangs off the back of the aquarium, is simple to install, easy to maintain, and provides both mechanical and chemical filtration.
Power Filters
These filters hang on the back of your aquarium. Water is pulled into the filter and pushed through a filter pad containing carbon. The result is mechanical and chemical filtration.
Power Filters -- These are usually external filters attached to the back of the tank.
Power Filter - A filter that usually hangs on the back of an aquarium. Contains a built in water pump that draws water up an intake tube from the aquarium into and through the filter medium and then returned back into the aquarium.
Power Filter: A generic term used to describe any type of filtration that is powered by an electric pump. They can either hang on the side of a tank or be submerged in it, and contain an internal pump to draw water through it.
[edit] Power filters
Power filters, which are usually housed outside the tank itself, use coils driven by mains current to spin magnets inside their chambers to drive water flow.
Outside Power Filter
Outside power filters are the most common filter system for aquariums under 30 gallons. In most cases outside power filters have biological, mechanical and chemical filter components included.
Power filters can be inefficient. One reason is that they normally have their intake directly below the spill-way, ...
Power Filters
These are probably the most common of aquarium filters. They are easy to install and maintain and provide both mechanical and chemical filtration. Some newer types also provide for biological filtration.
Power filters External canister-type filtration devices, usually fitted with an electric impleller to drive aquarium water through the enclosed filter media. Often used to prefilter water in 'reverse-flow' biological filtration systems.
Power filters and powerheads are much more efficient in oxygenation versus air pumps, because of greater water movement over a much larger water surface area.
Power Filters
"Power filters" is the term used to describe the vast array of filters available on the market that are designed to hang on the back of the aquarium.
Power Filter Cartridges
Power filters require the right sized cartridges that may contain small amounts of carbon for chemical as well as mechanical filtration.
3. Chemical Aquarium Filtration ...
Power filters now come with all sorts of fancy ``features''. Most allow placement of a chemical filtering media, typically granular activated carbon, in the water path.
Internal power filters can also be used, but can turn out to be a bit expensive, especially when cartridges from that specific brand are needed. They also need to be replaced completely when they break down, especially with smaller and cheaper models.
AquaClear Power Filters have been the only brand I have used for the past 15 years. I like that they use a washable sponge, they easily take bagged media, almost any replacement part is available and they operate dependably.
AquaClear Power Filter Parts Impeller - 500 (mfg# A-638)
From: $13.99
Eheim Accessories Surface Extractor ...
Internal Power Filter. This filter type can be used alone but is often used as secondary mechanical filtration for either an undergravel filtration system or a canister filter in a very large aquarium.
Filtration - Power filters, sponge filters, and canister filters are the only means of filtration in a fish only aquarium. It's up to these filters to remove all fish waste and waste produced by excess food.
Clean that power filter
Hang on power filters and canister filters can do a fantastic job keeping your tank water appear clean and polished.
This hang on power filter utilizes rotating biological contactors (aka bio- wheels). Although this type of filtration works well for fish only aquariums, it is redundant on a reef aquarium.
Aeration: Power filters will do most of the oxygen enrichment, just as long there is sufficient agitation of the surface, and this will promote the exchange of gasses (Oxygen is absorbed, and CO2 is eliminated).
The External Power Filter is very common and inexpensive. It draws water from the tank and passes it through filter material such as sponges, carbon and zeolite. The sponge can provide mechanical filtration by removing particles.
so I suppose if someone I new told me to set them up, I'd get: 30g tank, stand and hood (stand type is a function of taste, decor, and $$$), Aquaclear power filter, and probably a UGF and powerhead (Hagen or Penguin).
This form of chemical filtration is placed in a canister or power filter. Note that they sometimes will remove good trace elements as well as pollutants.
As far as filtration goes, a sponge filter should be used to handle the biological load, and an outside power filter to pick up any debris that may be in the water.
These can be the power filters that hang off the back of your tank in suck water up through a tube running through a cartridge before pouring it back into the aquarium, ...
I simply have the addition of a normal external power filter which allows me to insert into the filter whatever filtration components (zeolite, carbon, etc.) I want to. If you have the cash, then your best bet is probably a cannister filter.
The tank should be setup with a merrily bubbling sponge or power filter (your preference here), but you do want to create some current, though not a raging torrent! ...
Most common today is the hang-on power filter. They use a pump to suck water up a supply tube from the aquarium. The water then flows through a series of compartments with various media and back into the tank via an overflow.
These larger particles are then removed during normal power filter operation or they settle to the bottom and are removed during gravel cleaning. Add one teaspoon of clarifier for every 10 gallons of aquarium water.
It is particularly sensitive to poor water quality, so efficient filtration (a hang-on-the-back power filter coupled with a sponge filter is ideal), along with 30 percent biweekly water changes are a must.
In tanks with standard filtration (undergravel filter and/or power filter) place the heater somewhere in the flow of water. Locations near the U.G. filter outlets or the power filter returns are ideal.
They are best kept in a tank long enough for their active swimming, preferably with a current from a power filter (or at least airstone) as they often live in fast flowing streams in the wild.
The best choice for small tanks are power filters, the best choice for medium to large are cannisters or Hang on the back filters and for very large cannister filters are the best.
It is not recommended to use a strong power filter as the water disturbance may aggravate ailing fish. The tank should be furnished with a reliable heater that will not permit much temperature variance.
Some experts use power filters, some believe in trickle sumps, some people use carbon bags below the gravel, heck, I even know some people who swear by chemically treating their sponge filters.
Corner filters, box filters or internal power filters are the main contenders (sponge and under gravel filters are usually just referred to as sponge or undergravel filters).
These active fish require high levels of oxygen and good water flow, so external power filters or a powerhead are a must. The water should be slightly acidic, with a pH of around 6.4-6.8. In hard waters, the fish do not show such intense coloration.
A power filter, either inside or an outside canister (which I prefer), should be used for two reasons; firstly to keep the water perfectly clean and, secondly, to create a reasonably strong water flow around the tank, ...
Peacock eels are notorious jumpers so it is very important that your tank be covered well. If you use an external power filter or pump pay particular attention to any openings around them as the eel will eventually work its way to escaping the ...
For the Undergravel and Canister filter approach acrylic tanks have long narrow slots across the top, back edge of the tank to accommodate the inlet and outlets of canister filter, power filter, airlines and power cords.
UGFs are cleaned by regularly vacuuming the gravel (e.g. while doing partial water changes). Canister and power filters are cleaned by removing the media and gently squeezing it in a bucket of used tank water (tap water may contain bacteria-killing ...
a Venturi air infusion feature is offered with a great many power filters.
 See also: Filter, Water, Fish, Aquarium, Plants
  
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