Should my filter be under the water?

Internal filters must be completely submerged in the water to work correctly. … Air is pumped into the filter and moves through it. Then it is dispersed on the water surface. The air bubbles create much-needed movement in the water that allows it to filter the liquid throughout the entire tank.

Should a fish tank filter be above the water?

Depending on the type of unit you have, your aquarium filter can be either be above water or under the water. Internal filters must be fully submerged to work correctly. They work best near the substrate, though if the air pump is separate, it is usually situated somewhere outside the fish tank.

How far down should a fish tank filter be?

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.

How do I know if my fish filter is working?

First, check that the filter is still working. Look for water bubbling out of the top of the pipes. If there are no bubbles, the filter may not be working. Therefore, repair or replace the filter.

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Should my fish tank filter be open or closed?

The filter can be used either way, depending on the needs of your tank. If closed, this filter will pull from the bottom of the tank only. If opened, the tank will filter water throughout the different depths of the tank.

Are fish filters supposed to bubble?

It is normal for aquarium filters to form some bubbles. However, if your filter is producing more bubbles than it usually does, then it is a cause for concern.

Where should a fish tank pump be placed?

Place the air pump in its final location outside of the aquarium, and then cut the airline tubing to the proper length so that it is long enough to connect the air pump to the aquarium device inside the aquarium.

How full do you fill a fish tank?

You should generally fill the tank up to an inch below the trim because the water column and aeration system will create bubbles that splash the surface. When the waterline is too high, water may splash outside of the tank.

Does my fish tank have enough oxygen?

The most telling sign that your fish need more oxygen is if you see them gasping at the surface — they will also tend to hang out back by the filter output. This area of your tank tends to possess the highest oxygen concentration as it is near the most disturbed surface.

Can freshwater fish live without a filter?

Fish can live without a filter, but they certainly can’t survive in murky oxygen-deprived water. A 30 to 50% water change will do the trick, although it might sound like quite a hassle. Consider using a water conditioner when topping off your fishbowl with tap water.

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