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Freshwater Aquarium

Freshwater aquarium maintenance and care, as well as a comprehensive list of freshwater fish species.

Species Profiles Planted Tank Invertebrates Livestock
CO2 Basics
One of the things that plants need to live and grow, like all living things, is carbon. The least expensive way to set up for adding CO2 is with a fermentation container. More>>
Healthy Plants Require Balanced Growing Conditions
One way to have an unbalanced planted aquarium is to put a high level of lighting on an aquarium without adding carbon dioxide (CO2). More>>
Too Little Phosphate
It's possible to have insufficient amounts in the tank water for plants, but very unlikely. More>>

See All Fish News

Tank Care Fish Food Tankmate Tips Fish Breeding

Cloudy Water
Unless the water is green in color, the problem is most likely a bacterial bloom. More>>

Green Spots on Tank Glass
What is this, and what can I do to remove this unsightly problem from my aquarium? More>>

When to Use Test Kits
I am not sure if it is worth the money and trouble to test the water. More>>

Keeping the Water Clear
Is the tank overcrowded? More>>

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Fresh water
Check out our extensive collection of high-quality and healthy tropical fish for your freshwater tank or aquarium.
Keep your tank beautiful and healthy with our wide selection of live plants.
Keep your tank beautiful and healthy with our wide selection of live plants.
Check out our extensive collection of high-quality and healthy tropical fish for your freshwater tank or aquarium.


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