---
product_id: 139836050
title: "Test case."
price: "BZ$141"
currency: BZD
in_stock: true
reviews_count: 13
url: https://belize.desertcart.com/products/139836050-test-case
store_origin: BZ
region: Belize
---

# pH range 6.4–7.8 precision Permanent long-term monitoring 2-in-1 CO2 & pH test Test case.

**Price:** BZ$141
**Availability:** ✅ In Stock

## Summary

> 🌊 Keep your aquarium thriving with precision you can see!

## Quick Answers

- **What is this?** Test case.
- **How much does it cost?** BZ$141 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [belize.desertcart.com](https://belize.desertcart.com/products/139836050-test-case)

## 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

- • **Precision pH Range:** Accurately measures pH from 6.4 to 7.8, ensuring a stable environment for fish and plants.
- • **Complete Ready-to-Use Kit:** Includes reagents, color scale, and display container—no extra tools needed to start testing immediately.
- • **Trusted German Engineering:** Backed by JBL’s decades of innovation and social responsibility in aquarium care.
- • **Dual-Action Water Monitoring:** Simultaneously track CO2 levels and pH for optimal aquatic health.
- • **Effortless Long-Term Testing:** Attach the display container with suction cups for continuous, hands-free water quality control.

## Overview

The JBL Water Test Set ProAquaTest CO2-pH Permanent offers a professional-grade, dual-function test for freshwater aquariums, enabling continuous, accurate monitoring of CO2 content and pH levels between 6.4 and 7.8. Designed for easy, long-term use with a suction-cup display container and color scale, this complete kit empowers aquarists to maintain optimal water conditions, promoting healthy fish and vibrant plants. Developed in Germany with a legacy of quality and innovation, it’s the essential tool for anyone serious about aquatic ecosystem balance.

## Description

JBL Water Test Set, For freshwater aquariums, ProAquaTest CO2-pH Permanent : desertcart.co.uk: Pet Supplies

Review: Good test - Works well. Good quality test
Review: Works great - Seems to work fine and detect my CO2 levels.

## Features

- Advanced water test series: Simple and safe control of the water values of freshwater aquariums, Ideally suited for the permanent direct measurement of the optimal pH value and carbon dioxide content
- Long-term test for fertilisation control: Put reagent into the long-term test device and attach it to the glass pane with suction cups in the aquarium, compare the reagent colour with the colour scale sticker and read off the value
- Display of pH value from 6.4 to 7.8 and CO2 content
- For direct use thanks to complete set with display container with suction cup, reagents and colour scale sticker, Refill reagent available separately
- Contents: 1x JBL Water Test Set, ProAquaTest CO2-pH Permanent, Incl. 1 display container with suction cup, 2 reagents and colour scale sticker

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QTTZLNP |
| Batteries Included | No |
| Batteries required | No |
| Best Sellers Rank | 60,726 in Pet Supplies ( See Top 100 in Pet Supplies ) 135 in Aquarium Test Kits |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,737) |
| Date First Available | 30 April 2019 |
| Item Weight | 51 g |
| Item model number | 2413800 |
| Number of Items | 1 |
| Pet Type | Fish |
| Product Dimensions | 10.6 x 4.3 x 17.5 cm; 51 g |
| Quantity | 1 |
| Size | X-Large |

## Images

![Test case. - Image 1](https://m.media-amazon.com/images/I/71F-zvaXI6L.jpg)
![Test case. - Image 2](https://m.media-amazon.com/images/I/71ZwUN4Q37L.jpg)
![Test case. - Image 3](https://m.media-amazon.com/images/I/51a4Q843v+L.jpg)
![Test case. - Image 4](https://m.media-amazon.com/images/I/51d6QIb6yiL.jpg)
![Test case. - Image 5](https://m.media-amazon.com/images/I/61l0dvjO3pL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good test
*by V***A on 14 October 2025*

Works well. Good quality test

### ⭐⭐⭐⭐⭐ Works great
*by M***N on 24 July 2025*

Seems to work fine and detect my CO2 levels.

### ⭐⭐⭐⭐⭐ Test co2
*by R***O on 19 January 2025*

Ok but expensive.

## Frequently Bought Together

- JBL Water Test Set, For freshwater aquariums, ProAquaTest CO2-pH Permanent
- FZONE 2.5L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit DIY Co2 Kit with Regulator And Needle Valve For Aquatic Tank (2.5 L with solenoid))
- Sodium Bicarbonate of Soda - 2kg | 100% Food Grade | Cooking, Bath Bombs & Cleaning

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**Shop now:** [https://belize.desertcart.com/products/139836050-test-case](https://belize.desertcart.com/products/139836050-test-case)

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*Product available on Desertcart Belize*
*Store origin: BZ*
*Last updated: 2026-08-24*