Juwel Jumbo Nitrate Removal Sponge reduces the nitrate levels in your aquarium to reduce algae growth. Nitrax is a biological filter that contains special microorganisms that break down poisons such as ammonium & nitrite and breaks down nitrate in your aquarium, to boost the general health and longevity of your fish.
Suitable for:
- Rio 400
- Vision 450
- Trigon 350
- Delta 300