Ideal for fresh water aquariums

The HI-700 Ammonia Low Range Checker is a simple, accurate and cost effective way to measure low ranges of ammonia in fresh water.

Designed as a more accurate alternative to chemical test kits, the HI-700 provides quick, accurate results in four easy steps.

HI-700 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.

Please download the Safety Datasheet(s) which provide more detail on the reagents before use; click on the link in the “safety data sheets” paragraph below.

Ideal for

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

Key features

• 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

Order Information

The HI-700 Checker®HC is supplied with sample cuvettes with caps (2), ammonia LR reagents starter kit x 25 tests (HI-700-25), battery, instruction manual and a quick start guide.

Not included: Calibration set HI-700-11.

Four steps. One click. Instant Readout.

  1. ‘Zero’ the Checker®HC with your vial & 10ml water sample inside

  2. Take vial out and add your reagent

  3. Place your vial into your Checker®HC

  4. Press the button and read the results

Use Reagents HI-700-25 with the HI-700 Ammonia Low Range Colorimeter - Checker®HC, x 25 tests.

Use Calibration Check Set HI-700-11 with the HI-700 Ammonia Low Range Colorimeter - Checker®HC.

Safety Data Sheets

Access safety data sheets online here. When using any form of chemical, it is important you download the relevant safety datasheet and make yourself aware of any precautions you should take when handling the chemical. You can access our library of safety datasheets and download a copy by following link below.

Please note that the '-' in HI- products should be removed from all searches to find the correct information.