Nitrate REEFER Test Kit

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NYOS REEFER test kits - taking measurements at the laboratory level at an attractive price

Water properties as close to nature are the key for every aquarium's success. However, monitoring relevant parameters in seawater is difficult due to numerous interfering ions. Therefore, test kits considering the specific characteristics of seawater are needed to analyze the water precisely. Nyos has developed a high sensitivity seawater nitrate test kit for the professional reefer.

  • Highly sensitive reagents
  • Professionally calibrated color chart
  • Differentiated color gradations
  • Precise sliding comparator
  • Sample tubes made of glass


Additional Features

  • calibrated dropper made by a German manufacturer ensures uniform drops during all repeat tests
  • reagents are made in Germany in accordance with EN ISO 9001
  • reagents are analyzed according to AAS and NIST standards
  • strict batch and quality control
  • easy to use with intuitive pictogram instructions
  • Made in Germany

NYOS® REEFER test kits allows you to achieve precise and most importantly reproducible (i.e. in repeat measurements identical) measuring results.



  • Number of Tests: 40
  • Measurement Range: 1 – 160 mg/l NO3


More Information
UPC 4260246921187
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Product Questions

Does this kit work for freshwater?
Question by: Travis on Mar 16, 2018, 7:58 PM
This kit is for saltwater use only.
Answer by: Chad on Mar 20, 2018, 3:12 PM
Are there refills available for sale or do I need to purchase a entire kit when I run out?
Question by: david smith on Apr 5, 2016, 7:21 AM
Great question! Unfortunately we do not carry refill kits for the Nyos test kits, however, some of our other brands of test kits do have refills available.
Answer by: Carter on Apr 8, 2016, 2:43 PM