ELOS NO3, Nitrat test Kit

ELOS AquaTest High Resolution NO3-HR Test Kit for Reef Aquariums. Good for 120 Tests provided it is used and stored correctly.
Its precise colourimetric scale with DUAL RANGE, allows you to read the level of nitrates in a range between 0 and 4ppm with a minimum reading of only 0.15 ppm of nitrate.
Alongside the similar test ELOS Phosphate HR, constitutes the best system for full control of the level of nutrients.