Tetra NitrateMinus reduces the algae nutrient nitrate (NO3-) reliably and in a natural way. Key Features: The contained particles promote the activeness of microorganisms, which feed on nitrate and break it down biologically For better water quality For all freshwater and marine aquariums 100 ml for 400 litres of aquarium water 250 ml for 1,000 litres of aquarium water
2000 - 4999ml
