Quick Answer: How Do I Choose An Aquarium Filter?

How many times per hour should I filter my aquarium?

A good rule of thumb is to select a filter with a flow rate at least six times the volume of the tank—so for a 30-gallon tank you want a flow rate of about 200 gph (gallons per hour)..

Should fish tank filter make bubbles?

Is a fish tank filter supposed to bubble? Generally speaking, no, a well functioning filter should not be producing an abundance of bubbles in fish tanks. If there are enough bubbles to cover the surface of the water, then the filter is either not working properly or may be clogged with debris.

Should my filter be fully submerged?

Internal filters must be completely submerged in the water to work correctly. … The air bubbles create much-needed movement in the water that allows it to filter the liquid throughout the entire tank. The filter can be affixed with suction cups to the tank walls, or placed on the ground of the tank.

Which is better internal or external aquarium filter?

Internal filters are always cheaper than externals, but they cannot cleanse the water in the same way. Internal filters are better for small to medium sized tanks with small to medium sized fish. … External filters can be so powerful that they may suck up tiny fish fry.

Are external fish tank filters better?

External filters have much more media inside them than internal filters, so they tend not to need cleaning quite as often. They are also much more versatile, and there are lots of specialist media you can add to them to improve the quality of your water.

How should a filter look in a fish tank?

When its a canister filter you have, the output should sit about 1.5 to 2 inches below the water surface (fully submerged) pointed to the surface for better agitation. If you place the canister filter above the water level, there will be a lot of splashes, which apart from going everywhere, they make quite the noise.

Can you over filter a tank?

You can’t really over-filter an aquarium, but it’s fairly easy to under-filter one. Most aquarium filters are rated according to how many gallons the aquarium holds.

Can a strong filter kill fish?

Each time the filter is turned off the bacteria inside will start to die due to a lack of oxygen. This can ultimately end up killing the younger fish in your aquarium.

What are the different types of aquarium filters?

TypesCanister filters.Diatom filters.Trickle filters.Algae filters.Baffle filters.Fluidized bed filter.Airlift filters.Undergravel filters.More items…

How do I know what size filter for my aquarium?

The rule of thumb is that the filter should be of enough size to pass your whole aquarium water four times from it in each one hour. How to Determine Filter Size for Aquarium? You can feasibly determine the size of your aquarium filter by measuring how much GPH your aquarium needs from the filter.

Is it OK to have 2 filters in a fish tank?

Don’t Multiple Filters “Compete” on the Fish Tank? It is true that if you use more than one filter on your fish tank, neither of those filters will perform as efficiently as it would if it were the only filter on the aquarium. This is expected, but is not a problem.

How do I know if the filter in my fish tank is working?

Keep an eye on how much water is in your aquarium—most filters need the water level to be about one inch from the lip of the filter. Make sure your bubble walls and/or air stones are not directly under the intake tube. If bubbles go up the main tube, it will cause a rattling sound and may stop your filter from working.

Can a filter be too big for a fish tank?

You can’t over filter the water and as such the water can never be too clean. … Essentially, you can never over filter your tank. The only negative impact would be that the filters cause too much water movement for the size of the tank. This could lead to the residents of your tank being a little stressed out.

How do I know if my fish tank is happy?

Your fish are happy and healthy when they:Swim actively throughout the entire tank, not just hanging out or laying at the bottom, floating near the top or hiding behind plants and ornaments.Eat regularly and swim to the surface quickly at feeding time.More items…