JBL NitratexFilter material for the rapid removal of nitrate from the aquarium water. 250ml (170g) bind 900mg nitrate. Key Features: Prevents and eliminates unwanted algae: filter material for the use in aquarium filters for the rapid removal of nitrate. Application: put filter material into the universal bag and place in the filter. Multiple use through regeneration with sodium chloride. Only for freshwater aquariums.
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