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Because of their small size small fish tanks require a great deal more maintenance than a larger fish tank.
This is due to the fact that toxins can build up in a small tank much faster than a larger tank that has a better chance of becoming – and remaining – stable.
What’s considered a small fish tank?
In my opinion, small fish tanks are anything under 20 gallons.
Anything under 5 gallons would be a nano tank, but for the purpose of this article I won’t distinguish between the two.
With that in mind, when talking about small fish tanks, filtration becomes a major challenge and the smaller the tank, the more important filtration becomes.
To help you find a filter for your small tank we provide the following suggestions;
5 great filters for small fish tanks
If you are looking for more filtration or simply a different type of fish tank filter.
5 small fish tank with filter kits.
If you are looking for a kit that comes with a filter most starter kits come with everything included are fairly cheap and easy to set up.
Here are 3 small fish tanks with filters;
A word of caution when purchasing a kit!
The filters provided typically are just enough filtration for the tank. As a general rule I typically like to use a filter that is rated for a slightly larger tank than the tank I have.
As an example;
If I have a 10 gallon tank I would prefer a filter rated for 20 gallons.
This ensures the filter can handle the tank and provide a little more filtration.
The more filtration the better!
Our Top Rated Small Filter
In our opinion the best filter for a small fish tank would be the Aqueon QuietFlow 10 Power Filter.
The Aqueon QuietFlow 10 Power Filter is rated up to 20 gallons and can filter 100 gallons per hour.
In other words it will change the water in a 20 gallon tank four times every hour, which is ideal.
This filter would keep the water in a small 10 or 15 gallon fish tank crystal clear and well filtered.
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