---
product_id: 497457899
title: "MagTool 2.5-4L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve (4L with 2X Outlet)"
brand: "magtool"
price: "€ 30.60"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.fi/products/497457899-magtool-2-5-4l-aquarium-co2-generator-system-carbon-dioxide
store_origin: FI
region: Finland
---

# Dual precision needle valves & 2x outlets 1.5mm SUS304 steel withstands 1137 PSI 4L capacity - 2x larger than competitors MagTool 2.5-4L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve (4L with 2X Outlet)

**Brand:** magtool
**Price:** € 30.60
**Availability:** ✅ In Stock

## Summary

> 🧪 Elevate your aquarium game with pro-grade CO2 control—because your plants deserve the best!

## Quick Answers

- **What is this?** MagTool 2.5-4L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve (4L with 2X Outlet) by magtool
- **How much does it cost?** € 30.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/497457899-magtool-2-5-4l-aquarium-co2-generator-system-carbon-dioxide)

## Best For

- magtool enthusiasts

## Why This Product

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

## Key Features

- • **Complete Pro Kit Included:** Everything you need except powders—bubble counters, diffusers, tubing, funnel, and measuring cup
- • **Dual Outlet Precision Control:** Two needle valves and outlets let you customize CO2 flow for multiple tanks or zones
- • **Built to Last & Safely Operate:** Thick SUS304 stainless steel body with automatic pressure relief valve ensures worry-free performance
- • **Whisper-Quiet, Cool DC Solenoids:** 12V low-voltage solenoids run silently and stay cool—no annoying hum or heat buildup
- • **Double the Capacity, Double the Power:** 4L tank holds up to 800g of CO2 mix for extended aquarium enrichment

## Overview

The MagTool 2.5-4L Aquarium CO2 Generator System features a robust 4-liter stainless steel tank, dual outlets with precision needle valves, and quiet 12V DC solenoids. Designed for professional aquarium enthusiasts, it safely sustains pressures up to 1137 PSI with an automatic safety valve. This all-in-one kit includes bubble counters, diffusers, tubing, and accessories—offering superior CO2 regulation for healthier aquatic plants and multiple tank setups.

## Description

MagTool 2.5-4L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve

Review: Excellent Product
Review: Missing Parts

## Features

- 4 Liter Capacity. That is 2x larger than the size of our compeors’ CO2 generator systems. Holds 600g-800g of citric acid and sodium bicarbonate, aka baker soda powders.
- Professional 2x outletCO2 Kit with all accessories need, DC mini solenoid x2 / Precision needle valve x2/ Bubble counter x2/ CO2 diffuser x2/ CO2-graded tubing / Plastic funnel and measuring cup.
- Safety! The wall of the bottle meets the safety requirement - 1.5mm thick SUS304 stainless steel. It can sustain pressure up to 1137 PSI (80kg/cm2). The built-in safety valve will open automatically when the inside pressure exceeds the safety threshold.
- 12V DC Instead of AC Power. DC solenoid runs on very low voltage and generates almost no heat. The solenoid is warm to touch and is super quiet. No humming noises.
- Attentions: The required powders to generate CO2 gas are NOT included! You will need citric acid and sodium bicarbonate powders.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BC1X3MV2 |
| Additional Features | Lightweight |
| Best Sellers Rank | #99,002 in Pet Supplies ( See Top 100 in Pet Supplies ) #6,691 in Aquarium Accessories |
| Brand | MagTool |
| Brand Name | MagTool |
| Customer Reviews | 3.5 out of 5 stars 12 Reviews |
| Manufacturer | MagTool |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Product Style | Classic |
| Special features | Lightweight |
| Style | Classic |
| Tank Volume | 4 Liters |
| Tank volume | 4 Liters |
| UPC | 689323444168 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** MagTool
- **Material:** Stainless Steel
- **Special features:** Lightweight
- **Style:** Classic
- **Tank volume:** 4 Liters

## Images

![MagTool 2.5-4L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve (4L with 2X Outlet) - Image 1](https://m.media-amazon.com/images/I/61wfxK+S8FL.jpg)
![MagTool 2.5-4L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve (4L with 2X Outlet) - Image 2](https://m.media-amazon.com/images/I/61xLH2aoVwL.jpg)
![MagTool 2.5-4L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve (4L with 2X Outlet) - Image 3](https://m.media-amazon.com/images/I/71aT+WjgIZL.jpg)
![MagTool 2.5-4L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve (4L with 2X Outlet) - Image 4](https://m.media-amazon.com/images/I/71kLEgeDJYL.jpg)
![MagTool 2.5-4L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve (4L with 2X Outlet) - Image 5](https://m.media-amazon.com/images/I/71sg4noKfuL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent Product
*by P***. on 24 February 2023*



### ⭐ Missing Parts
*by M***E on 20 July 2023*



### ⭐⭐⭐⭐⭐ 125 gallon tank
*by A***B on 14 July 2023*



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**Shop now:** [https://www.desertcart.fi/products/497457899-magtool-2-5-4l-aquarium-co2-generator-system-carbon-dioxide](https://www.desertcart.fi/products/497457899-magtool-2-5-4l-aquarium-co2-generator-system-carbon-dioxide)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-02*