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New High Res Kit
ELOS AquaTest High Resolution NO3-HR Test Kit for Reef Aquariums.
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.