Mini Aquarium FAQs


How Do I Choose A Mini Aquarium

Today’s aquariums come in a variety of interesting shapes and sizes.  The size of your tank will of course be determined by the location you intend to place it i.e. the space available.  Although plastics are more durable, glass is more inert and does not tend to turn opaque as plastics do.  Try not to get one with too many corners or too irregular a shape as this would limit the space for fish swim longer distances.

What Type Of Fish Is Best For A Mini Aquarium?

Mini aquariums as their name imply is smaller in size than normal aquariums.  The best type of fish for these mini tanks therefore are the smaller sized fish types like bettas and tetras.  The tetras are especially suited because the adult tetra is only 2 to 3 cm long.  Furthermore, the glowing colours of the neon tetras also make them fascinatingly decorative in a mini aquarium.

Isn’t It More Expensive To Maintain A Mini Aquarium?

No.  Maintaining an aquarium does not depend so much on its size but rather on other factors for example, the type of fish kept and the type of gravel ad other accessories.  Certain types of fish need more care than others. Certainly, a marine aquarium will need more maintenance than a fresh water tank.  If anything, a mini aquarium uses less water, lower powered pump and so forth.

Do I Really Need A Filter For Such A Small Aquarium?

Yes.  A mini Aquarium is in essence a closed mini biosphere. Sufficient biological filtration is a extremely important in keeping a mini aquarium.  This helps to maintain the ecological balance within this mini biosphere by detoxifying harmful gasses as well as with the circulation of the water in the aquarium to ensure that there is enough dissolved oxygen in the water.  It also prevents the build up of slime or other types of algae.  If you do not get any other accessories for your tank, you must get a filter.

How Big A Filter Do I Need?

This actually depends on the size of your tank.  However, due to the size of a mini aquarium, the smallest pumps normally will suffice.  What is more important than the pump is the filter substrate to grow your nitrifying bacteria colony.

How Do I Maintain The Filter?

A normal filter would normally comprise of a layer of glass wool at the top and another substrate like sponge or a denser piece of glass wool at the bottom.  The top layer filters dirt and uneaten food while the bottom layer houses the necessary bacteria to convert harmful ammonia.  You may clean the top layer with normal water but be sure to clean the bottom layer with some of the existing aquarium water as this water would have the bacteria in it and that chlorine and flourine in normal tap water will kill your bacteria colony.

Do I Still Need To Clean The Aquarium If I Have A Filter?

Well, yes.  All you have to do is to wipe the sides of the aquarium if you see any algae growth and simple change about 25% of the water every week or so to reduce the build up of gasses and other soluble matter.

How Often Should I Feed My Fish?

Once or twice a day and no more than they can consume in 2 or 3 minutes.  Uneaten food will tax your filter and you will need to clean it more frequently.

Can I Mix Different Fishes In My Mini Aquarium?

No problem.  This is only limited by the size of your tank and as long as you mix the types of fish that get along or you will end up regularly restocking your aquarium.  Do a simple read up on the character of the type of fish you wish to mix or the pet shop ownershould be able to help you.

What Else Do I Need To Know About Mini Aquariums?

Keeping a mini aquarium is a hobby and should be relaxing.  It is not rocket science.  Just take it easy and you can always get more help and info on the net or at your local pet shop. You can also learn more about some common mistakes of keeping a mini aquarium at our “10 Common Mistakes In Keeping An Aquarium” page and also some Dos and Don’ts here.

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