2 in stock


SKU: 20008895 Categories: ,



The HI780 Marine pH Checker HC is a simple, accurate and cost effective way to measure pH in saltwater. With a digital readout, there is no more struggling to determine colors visually. This pH tester’s compact design stores easily with your other testing equipment. Keeping your aquarium pH stable and in optimal range can reduce stress on your fish and aquatic animals, helping them resist disease and tolerate other stressors. Maintaining an ideal pH can also dramatically improve growth, behavior, and overall appearance of corals.

Designed as a more accurate alternative to chemical test kits, the HI780 marine pH meter provides quick, accurate results in a few easy steps.

Easier to use and more accurate than chemical test kits
Large, easy to read digits Auto shut-off
Dedicated to a single parameter
Designed to work with HANNA’s reagents
Uses 10 mL glass cuvettes
Small Size, Big Convenience
Fits in the palm of your hand
One-button operation makes getting your pH results simple.

Range: 6.3 to 8.6 pH
Resolution: 0.1 pH
Accuracy: ±.2 pH of reading @ 77°F
Light Source: LED @ 525 nm
Light Detector: Silicon photocell
Method: Colorimetric Adaptation of Phenol Red Method
Environment: 0 to 50°C (32 to 122°F); RH max 95% non-condensing
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 (2.25 oz.)
Checker Reagents: Hanna HI780-25 (100 tests)
Calibration Check Set: HI780-11

What’s Included
HI780 Checker
2 sample cuvettes with caps
pH Reagent starter set
1 year limited warranty