Can a protein skimmer be used in a freshwater tank? - Quora

Which fishes do you recommend for my new fresh water 20 gallon tank? - Quora

Can I use an aquarium that had been setup with saltwater as a freshwater tank if I clean it and get all new decorations? - Quora

What is the best environment for a betta fish? - Quora

How to shift fish to a more larger aquarium - Quora

What kind of aquarium set ups don't need water changes? At least, very infrequent water changes. - Quora

Is a surface skimmer beneficial for a freshwater aquarium? - Quora

What is the nitrogen cycle in a betta fish tank? - Quora

How to set up an aquarium with live plants - Quora

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