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Tropic Marin Nitrite/Nitrate Professional Test Kit

Ensure your fish are free from NO2 and NO3 toxins

At a glance...
  • High-precision NO2 and NO3 marine test kit
  • Easy to use test kit
  • Helps to detect harmful toxins within your aquarium water
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Testing your aquarium is a vital part of keeping it healthy, and the high resolution Tropic Marin Professional Nitrite/Nitrate Test Kit means that you can accurately determind the results, with ranges between 0 and 1 ppm for nitrite and between 0 - 20 ppm for nitrate.

Nitrate ions are formed from ammonium as the end product of the nitrification process. Nitrite, which is highly toxic to freshwater species in particular, is produced in the first stage of the bacterial process. If the nitrification process works, nitrite is converted to the comparatively non-toxic nitrate in the second stage. Increased levels of nitrite above 0.05 mg/l (ppm) are usually found in tanks that are in their maturation phase or in tanks with nitrate filters.

Nitrate affects the quality of the water in the aquarium: Higher concentrations of nitrate in saltwater aquariums will end up inhibiting the growth of delicate coral. An algal bloom is often the result of a high nitrate level in an aquarium. Some reef aquariums have ultra-low nutrient conditions - nitrate shortages can occur in cases such as these. Therefore, the nitrate concentration in the aquarium water should be tested regularly. It is advisable to keep the nitrate concentration in freshwater aquariums below 50 mg/l (ppm), whereas the concentration should not exceed 20 mg/l (ppm) in saltwater applications. When nurturing hard coral, the aim is to keep the nitrate concentration below 10 mg/l (ppm). Lower limits for nitrate depend on the general conditions in the aquarium.

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