---
product_id: 735928357
title: "API Freshwater Gh & Kh (hardness) Test Kit"
brand: "api"
price: "£30.06"
currency: GBP
in_stock: true
reviews_count: 9
category: "Api"
url: https://www.desertcart.co.uk/products/735928357-api-freshwater-gh-and-kh-hardness-test-kit
store_origin: GB
region: United Kingdom
---

# Precise freshwater hardness measurement Includes glass test tube for exact readings Liquid reagent for accurate testing API Freshwater Gh & Kh (hardness) Test Kit

**Brand:** api
**Price:** £30.06
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your aquarium thriving with precision water testing!

## Quick Answers

- **What is this?** API Freshwater Gh & Kh (hardness) Test Kit by api
- **How much does it cost?** £30.06 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/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

- • **Aquarium essential:** A must-have tool to maintain optimal freshwater hardness and fish health
- • **Effortless testing:** Clear, step-by-step instructions make water quality checks simple
- • **Complete kit included:** Glass test tube ensures reliable and repeatable results every time
- • **Precision you can trust:** Highly accurate liquid test kit favored by dedicated aquarium pros
- • **Stress-proof your aquatic friends:** Detect rapid pH shifts caused by low KH to keep fish thriving

## Overview

The API Freshwater GH & KH Test Kit is a liquid reagent-based testing solution designed to measure general and carbonate hardness in freshwater aquariums. It helps detect harmful pH fluctuations caused by low KH levels, ensuring a stable environment for fish. The kit includes clear instructions and a glass test tube for precise, reliable results, making it an essential tool for serious aquarium hobbyists.

## 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 | #44,745 in Pet Supplies ( See Top 100 in Pet Supplies ) #674 in Aquarium Water Quality Testing & Treatment |
| Batteries Included | No |
| Customer Reviews | 4.6 4.6 out of 5 stars (5,505) |
| 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)

## 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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**Shop now:** [https://www.desertcart.co.uk/products/735928357-api-freshwater-gh-and-kh-hardness-test-kit](https://www.desertcart.co.uk/products/735928357-api-freshwater-gh-and-kh-hardness-test-kit)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-22*