Hanna Nitrate (HR) High Range Checker HC – HI782 Test Kit

The HI782 Marine Nitrate High Range Checker HC is a handheld colorimeter designed for quick and accurate measurement of high nitrate levels in saltwater aquariums and marine applications. With a digital readout, there’s no need to interpret colors visually, ensuring precise results every time.

Key Features

• Measures nitrate from 0.0 to 75.0 ppm (as NO3–)

• Less complex laboratory-grade accuracy – requires only 1 reagent

• Simple, intuitive operation for fast testing

• Compact, portable, and precise for home, lab, or field use

• Uses the Zinc Reduction Method (no filter process) for colormetric nitrate measurement

• Digital readout eliminates errors associated with visual color comparison

Why Monitor Nitrate?

Nitrate is the final step in the nitrogen cycle. Excessive nitrate in saltwater aquariums can:

• Promote undesirable algae growth

• Facilitate dinoflagellate proliferation

• Be harmful to delicate corals and invertebrates

The HI782 is ideal for saltwater aquariums with higher nutrient levels, such as fish-only systems or coral tanks that tolerate elevated nitrate concentrations (30 ppm or more).

Features at a Glance

• Designed for saltwater samples

• More accurate than chemical test kits

• Dedicated to a single parameter for simplicity

• Small, portable, and convenient

• Ideal for aquariums and marine biology applications

HI782 vs HI781

• HI782 High Range Nitrate Checker: For high nitrate levels (0–75 ppm)

• HI781 Low Range Nitrate Checker: For very low nitrate levels (0.00–5.00 ppm), critical for sensitive reef aquariums