The Hanna High Range Nitrate Checkers is a simple and accurate handheld tool that gives a digital nitrate read out of your saltwater. Nitrates are an important measurement in determining how "dirty" your tank water is an signals when it is time for a water change. Simple, accurate, and cost-effective way to measure nitrate in your saltwater aquarium. Features

• Designed to accurately determine nitrate levels in aquariums
• Measures with a range up to 75.0ppm
• Easier to use and more accurate than chemical test kits
• Large LCD digital read out for added convenience
• Auto shut-off to assure the battery wont be drained
• Compact size for easy travel and storage

Specifications

• Range: 0.0 to 75.0 ppm (as NO3-)
• Resolution: 0.1 ppm
• Precision: ±2 ppm ±5% of reading @ 77°F (25°C)
• Battery Type: (1) 1.5V AAA
• Auto-off: After 10 minutes of non-use
• Dimensions: 86 x 61 x 37.5 mm (3.4 x 2.4 x 1.5")
• Weight: 64 g (2.3 oz.)

What’s Included?

• (1x) HI782 Checker HC
• (1x) Sample cuvette and (2x) caps
• (1x) Marine Nitrate High Range Starter Kit (reagents for 10 tests)
• (1x) 3mL Pasteur pipette
• (1x) 1.5V AAA Alkaline battery
• (1x) Instruction manual

Reagent refill for Nitrate High Range Colorimeter HI782 - Marine Water

• Enough reagent for 25 tests.
• Item #: HI782-25

The Hanna Phosphorus ULR Checker is our most recommended phosphorus testing tool. It provides highly accurate, easy and quick results. The checker has a large LCD display allowing for easy understanding of parameters. This unit measures in ppb and is easy to convert to more commonly used ppm using the provided conversion chart. You'll get a number and not have to decipher a color chart!

This replacement reagent for the Hanna Phosphorus ULR Checker provides 25 packets of reagent, which will allow hobbyists to perform 25 tests with their Hanna Checker.  Each packet is individually packaged and stamped with a lot number and expiry date to ensure the accuracy of test results.