Juwel Nitrax Nitrate Removal Sponge Filter 9.5×9.5×4.5cm
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JUWEL Nitrax is a biological filter medium designed to break down nitrates in your aquarium. It reduces algae growth and supports the vitality of your plants and fish.
This biological filter contains specialized microorganisms that break down toxic metabolites such as ammonium and nitrite, reducing the risk of fish mortality. It also anaerobically breaks down nitrates, helping to control algae and improve water quality.
Product Features
- Promotes plant growth
- Reduces nitrate levels in aquarium water
- Helps control algae growth
- Supports fish health by reducing toxic compounds
| Dimensions | 9.5 x 9.5 x 4.5 cm |
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FAQ
How does the Nitrax filter reduce nitrate levels?
The Nitrax filter contains specialized microorganisms that anaerobically break down nitrates, reducing their concentration in the aquarium water.
Can this filter be used in both freshwater and saltwater aquariums?
Please contact customer service
Is the filter easy to clean and maintain?
Yes, the sponge filter is designed for easy maintenance and can be rinsed regularly with dechlorinated water.


Amanda Cameron –
I’ve used the Nitrax filter for three months now and noticed a significant drop in algae growth. My aquarium plants are thriving and my fish seem more active. The filter is easy to install and clean. No issues so far.
Sean Chapman –
The filter works well in reducing nitrate levels. I saw less algae on the glass after a week of use. It’s a simple addition to my tank setup and fits well in the filter housing.
Justin Glover –
Great product for maintaining water quality. My tank has been much cleaner and the fish are healthier. The microorganisms seem to be active and effective in breaking down nitrates.