You probably think the fish tank filter is a must-have, but it’s really not.
You might be surprised by the types of filtration options available.
You can use a standard filter to help kill bacteria and help prevent algae blooms, or you can add a water-soluble organic solution to remove carbon dioxide and other pollutants.
But which one is right?
What are the pros and cons of each?
Read more about aquarium filters and what they’re used for.