Overview
This JBJ replacement activated carbon keeps your Nano Cube water clear by absorbing dissolved impurities and organic waste. Designed for 6, 12, and 24 gallon Nano Cube aquariums, the included mesh bag holds over half a pound of carbon for effective chemical filtration. It pulls out the waste that can stress fish and discolor water.
Key Features
- Fits JBJ 6, 12, and 24 gallon Nano Cube filters
- Over 1/2 lb of activated carbon in an included mesh filter bag
- Absorbs impurities and dissolved organic waste
- Helps prevent water discoloration and fish stress
- Works in freshwater and saltwater aquariums
Specifications
| Weight | 1 lbs |
|---|---|
| Brand | JBJ |
| UPC | 6924781208650 |
About JBJ
JBJ produces aquarium equipment and Nano Cube systems along with the replacement media that keeps them running. Visit JBJ.
Frequently Asked Questions
How often should the carbon be replaced?
Replace the activated carbon every 4-6 weeks, alternating with mechanical media to help preserve biological filtration.
Which tanks does it fit?
It is made for all JBJ 6, 12, and 24 gallon Nano Cubes, and works in both freshwater and saltwater systems.


























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