---
product_id: 735928357
title: "API Freshwater Gh & Kh (hardness) Test Kit"
brand: "api"
price: "€ 54.78"
currency: EUR
in_stock: true
reviews_count: 9
category: "Api"
url: https://www.desertcart.be/products/735928357-api-freshwater-gh-and-kh-hardness-test-kit
store_origin: BE
region: Belgium
---

# Precise freshwater hardness measurement Accurate GH & KH quantification Easy-to-use liquid test kit API Freshwater Gh & Kh (hardness) Test Kit

**Brand:** api
**Price:** € 54.78
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your fish stress-free with precision you can trust!

## Quick Answers

- **What is this?** API Freshwater Gh & Kh (hardness) Test Kit by api
- **How much does it cost?** € 54.78 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/735928357-api-freshwater-gh-and-kh-hardness-test-kit)

## Best For

- api enthusiasts

## Why This Product

- Trusted api brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact and ready to use:** No batteries needed, just 4.8 oz of liquid testing power
- • **Lab-grade accuracy at home:** Highly precise GH and KH readings trusted by dedicated hobbyists
- • **Stress-proof your aquatic ecosystem:** Detect rapid pH shifts caused by low KH to keep fish thriving
- • **Trusted bestseller in aquarium care:** Join thousands of satisfied users with a 4.6-star rating and top ranking
- • **Effortless testing with clear guidance:** Includes easy-to-follow instructions and glass test tubes for reliable results

## Overview

The API Freshwater GH & KH Test Kit is a liquid testing solution designed to accurately measure general and carbonate hardness in freshwater aquariums. It helps prevent fish stress caused by rapid pH changes due to low KH levels. Featuring clear instructions and glass test tubes, this compact 4.8 oz kit is a top-rated bestseller with a 4.6-star average from over 5,400 reviews, making it an essential tool for serious aquarium enthusiasts.

## Description

Liquid test for freshwater; Helps detect stress on fish caused by rapid pH shifts, the result of low KH levels; Contains clear instructions and glass tube(s)

Review: Must have for dedicated aquarium hobbies - Absolute necessity. Very hand and accurate
Review: かなり正確に測れます

## Features

- API GH and KH Test Kit
- 4.8 oz.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003SNCHMA |
| Amazon Bestseller | #77,468 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,092 in Aquarium Water Quality Testing & Treatment |
| Batteries Included | No |
| Customer Reviews | 4.6 4.6 out of 5 stars (5,474) |
| Date First Available | August 7, 2012 |
| Is Discontinued By Manufacturer | No |
| Item Form | リキッド |
| Item model number | 58 |
| Volume | 1.25 |
| batteries required | No |

## Images

![API Freshwater Gh & Kh (hardness) Test Kit - Image 1](https://m.media-amazon.com/images/I/518PHJWONXL.jpg)
![API Freshwater Gh & Kh (hardness) Test Kit - Image 2](https://m.media-amazon.com/images/I/91q9ER-WJFL.jpg)
![API Freshwater Gh & Kh (hardness) Test Kit - Image 3](https://m.media-amazon.com/images/I/51hXtDFPf0L.jpg)
![API Freshwater Gh & Kh (hardness) Test Kit - Image 4](https://m.media-amazon.com/images/I/71GkdCyCuBL.jpg)
![API Freshwater Gh & Kh (hardness) Test Kit - Image 5](https://m.media-amazon.com/images/I/81T3-ZFwqBL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Must have for dedicated aquarium hobbies
*by T***O on April 10, 2020*

Absolute necessity. Very hand and accurate

### ⭐⭐⭐⭐ Review
*by Y***I on August 24, 2025*

かなり正確に測れます

### ⭐ Poor Quality Management
*by R***N on August 15, 2025*

Product arrived damaged.

## Frequently Bought Together

- API GH & KH TEST KIT Freshwater Aquarium Water Test Kit, 2.5 oz.
- API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, White, Single, Multi-colored
- SaltyShrimp Shrimp Mineral GH/KH+ 100g

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-05-07*