---
product_id: 250991912
title: "Hanna Instruments HI755 Checker HC Low Range Saltwater Aquarium Water Testing Alkalinity Colorimeter"
price: "$177.88"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/250991912-hanna-instruments-hi755-checker-hc-low-range-saltwater-aquarium-water
store_origin: US
region: United States of America
---

# ±0.1 meq/L accuracy Single-button operation Auto shut-off extends battery life Hanna Instruments HI755 Checker HC Low Range Saltwater Aquarium Water Testing Alkalinity Colorimeter

**Price:** $177.88
**Availability:** ✅ In Stock

## Summary

> 🌊 Master marine alkalinity with precision and ease!

## Quick Answers

- **What is this?** Hanna Instruments HI755 Checker HC Low Range Saltwater Aquarium Water Testing Alkalinity Colorimeter
- **How much does it cost?** $177.88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/250991912-hanna-instruments-hi755-checker-hc-low-range-saltwater-aquarium-water)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Battery Smart:** Auto shut-off feature maximizes battery life so you’re always ready to test
- • **Compact & Convenient:** Handheld design fits perfectly in your toolkit or lab, ideal for on-the-go professionals
- • **Effortless Operation:** Single-button simplicity means no steep learning curve—just quick results
- • **Readability Redefined:** Large LCD screen ensures clear, easy-to-read measurements every time
- • **Precision at Your Fingertips:** More accurate than chemical test kits for reliable marine alkalinity readings

## Overview

The Hanna Instruments HI755 Checker HC is a handheld colorimeter designed for precise, cost-effective alkalinity testing in saltwater aquariums and marine environments. Offering superior accuracy to chemical test kits, a user-friendly single-button interface, and a large LCD display, it ensures quick, reliable results. Its compact size and auto shut-off feature make it an essential tool for professionals and enthusiasts aiming to maintain optimal water quality.

## Description

The HI755 Checker HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure alkalinity. Crucial in marine environments, alkalinity provides both the carbonate ion required for calcium carbonate skeletal regeneration of coral reefs, as well as a pH buffer against large changes in acidity. Designed as a more accurate alternative to chemical test kits, the HI755 provides quick, accurate results in a few easy steps.FEATURESEasier to use and more accurate than chemical test kitsDedicated to a single parameterSmall size, big convenienceIdeal for: Water Quality, Environmental, Education, Industrial

## Features

- More accurate than chemical test kits, less expensive than professional testing
- Single button operation for ease of use
- Large LCD screen for readability
- Auto shut-off to extend battery life

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.3 out of 5 stars 85 Reviews |

## Images

![Hanna Instruments HI755 Checker HC Low Range Saltwater Aquarium Water Testing Alkalinity Colorimeter - Image 1](https://m.media-amazon.com/images/I/41xdopzqXJL.jpg)
![Hanna Instruments HI755 Checker HC Low Range Saltwater Aquarium Water Testing Alkalinity Colorimeter - Image 2](https://m.media-amazon.com/images/I/41F0SzOMWeL.jpg)

## Frequently Bought Together

- Hanna Marine Alkalinity Checker HI755
- Hanna Instruments Hanna Marine Magnesium Checker HC HI783 Saltwater Aquariums, Marine, Aquaculture Applications Magnesium Tester 64 grams
- Hanna Instruments High Range Nitrate Checker HI782

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-26*