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Product Highlights 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 About This Item Ammonia Low Range Checker for Fresh Water: 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 PRIMARY APPLICATIONS: Water Quality Education Freshwater Aquariums Wastewater Environmental The Ammonia Low Range Checker is a simple, accurate, and cost effective way to measure low ranges of ammonia in freshwater. 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. Designed as a more accurate alternative to chemical test kits, the Checker HC provides quick, accurate results in four easy steps. Step One – Add a sample to the included cuvette(s) Step Two – Insert sample into the Checker and zero it out Step Three – Remove sample and add reagent (A & B – 4 drops of each) 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 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.
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🇺🇸 Ship from USA · On Agora since 2026
$68.99