Ammonia Low Range Checker for Fresh Water - Aquaponics For Life

Ammonia Low Range Checker for Fresh Water

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Product Description

The Ammonia Low Range Checker is a simple, accurate, and cost effective way to measure low ranges of ammonia in freshwater. Designed as a more accurate alternative to chemical test kits, the Checker HC provides quick, accurate results in four easy steps.


  1. Step One – Add a sample to the included cuvette(s)
  2. Step Two – Insert sample into the Checker and zero it out
  3. Step Three – Remove sample and add reagent (A & B – 4 drops of each)
  4. Step Four – Reinsert sample and click the button to measure your results or…- Press and hold the button for 3 seconds for a time reaction reading


The Checker HC uses an adaptation of the ASTM Manual of Water and Environmental Technology, D1426-92, Nessler method. The reaction between ammonia and reagents causes a yellow tint in the sample.


  • Small palm-sized design
  • Accurate from ±0.05ppm ± 5% of reading
  • Dedicated to a single parameter
  • Uses a single AAA battery
  • Auto Power Off after 10 minutes in inactivity
  • Built-in timer for timed reaction readings


  • Water Quality
  • Education
  • Freshwater Aquariums
  • Wastewater
  • Environmental

Order Information:The HI 700 Checker®HC is supplied with a reagent starter kit (1 bottle of 700A-0 reagent A and 1 bottle of 700B-0 reagent B), 1 x 1.5V AAA battery and an instruction manual.