---
product_id: 449019478
title: "Haofy Water Electrolyzer, Quick Water Quality Test Pen, Portable Accurate Water Quality Testing Equipment for Drinking Water, Aquariums, Pools, Spas"
brand: "haofy"
price: "3804 kr"
currency: ISK
in_stock: true
reviews_count: 10
category: "Haofy"
url: https://www.desertcart.is/products/449019478-haofy-water-electrolyzer-quick-water-quality-test-pen-portable-accurate
store_origin: IS
region: Iceland
---

# Electrolysis tech for instant impurity detection Rapid results in seconds, no batteries needed Compact pen design for ultimate portability Haofy Water Electrolyzer, Quick Water Quality Test Pen, Portable Accurate Water Quality Testing Equipment for Drinking Water, Aquariums, Pools, Spas

**Brand:** haofy
**Price:** 3804 kr
**Availability:** ✅ In Stock

## Summary

> 💧 Stay ahead of water worries with instant purity checks!

## Quick Answers

- **What is this?** Haofy Water Electrolyzer, Quick Water Quality Test Pen, Portable Accurate Water Quality Testing Equipment for Drinking Water, Aquariums, Pools, Spas by haofy
- **How much does it cost?** 3804 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/449019478-haofy-water-electrolyzer-quick-water-quality-test-pen-portable-accurate)

## Best For

- haofy enthusiasts

## Why This Product

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

## Key Features

- • **Reliable Support:** 24-hour responsive customer service for peace of mind 📧
- • **Effortless Operation:** User-friendly with clear, quick-to-read results ⏱️
- • **Pocket-Sized Precision:** Lightweight, compact design fits your on-the-go lifestyle 🖊️
- • **Versatile Water Testing:** Perfect for drinking water, aquariums, pools, and spas 🌊
- • **Instant Electrolysis Insight:** Visual color change reveals water impurities fast ⚡

## Overview

The Haofy Water Electrolyzer is a portable, battery-free water quality test pen that uses advanced electrolysis technology to quickly detect impurities through a visible color change. Designed for professionals and enthusiasts alike, it offers fast, accurate testing for drinking water, aquariums, pools, and spas in a durable, compact form factor.

## Description

Buy Haofy Water Electrolyzer, Quick Water Quality Test Pen, Portable Accurate Water Quality Testing Equipment for Drinking Water, Aquariums, Pools, Spas: Water Test Kits - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Very educational - Good
Review: Electric test - Works great was ar

## Features

- Premium Construction: Designed with high-quality materials, our water electrolyzer is compact, lightweight, and built to last. Its sturdy construction ensures and consistent results.
- Easy to Use: Our water quality tester is designed for easy operation, making it accessible to anyone. With quick testing and clear, easy to read, you can quickly and accurately assess the quality of your water.
- Electrolysis Technology: By using electrolysis, our tester reveals any impurities in the water by changing its color. This visual indication allows you to easily identify and address any potential issues with your water.
- Versatile Uses: Whether you need to test the water for drinking, filtration, hydroponics, aquariums, pools, or spas, our water quality tester is the ideal tool. It can be utilized in various settings to ensure the water is clean and
- After-sales Service: If you have any questions about the product, you can ask us questions by email, and we will give you a satisfactory answer within 24 hours.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09GW1CYY4 |
| Batteries required | No |
| Best Sellers Rank | #149,030 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #173 in Swimming Pool Water Test Kits |
| Customer Reviews | 4.1 4.1 out of 5 stars (97) |
| Item Weight | 6.4 ounces |
| Manufacturer | Haofy |
| Package Dimensions | 6.73 x 5.94 x 3.43 inches |

## Images

![Haofy Water Electrolyzer, Quick Water Quality Test Pen, Portable Accurate Water Quality Testing Equipment for Drinking Water, Aquariums, Pools, Spas - Image 1](https://m.media-amazon.com/images/I/61+qxhyA5kL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very educational
*by S***M on December 26, 2025*

Good

### ⭐⭐⭐⭐⭐ Electric test
*by R***R on September 16, 2025*

Works great was ar

### ⭐⭐⭐⭐⭐ Works quickly!
*by A***E on May 30, 2025*

This device showed me the difference between my tap water and bottled water very quickly. Showed heavy metals in my tap water!

## Frequently Bought Together

- Haofy Water Electrolyzer, Quick Water Quality Test Pen, Portable Accurate Water Quality Testing Equipment for Drinking Water, Aquariums, Pools, Spas
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**Shop now:** [https://www.desertcart.is/products/449019478-haofy-water-electrolyzer-quick-water-quality-test-pen-portable-accurate](https://www.desertcart.is/products/449019478-haofy-water-electrolyzer-quick-water-quality-test-pen-portable-accurate)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-03-01*