JUWEL Nitrax reduces nitrate levels in your aquarium, leading to a considerable reduction in algae growth. Nitrax is a biological filter  containing specialist micro-organisms to break down poisonous metabolites (ammonium/nitrite) in your aquarium, thus reducing the danger of fish mortality. Nitrax also reduces algae growth by anaerobically breaking down nitrate, thus supporting the vitality of your fish.

Characteristics of JUWEL Nitrax:

• Reduces nitrate

• Promotes plant growth

• Increases the vitality of your fish

• Purely biologically active

SIZES: 

Medium: 9.5 x 9.5 x 4.5cm

Large: 12.5 x 12.5 x 5cm

XLarge: 15 x 15 x 5cm