---
product_id: 6859369
title: "HAGEN fl 20g Co2 Cartridges 3pk"
brand: "fluval"
price: "฿1653"
currency: THB
in_stock: true
reviews_count: 13
category: "Fluval"
url: https://www.desertcart.co.th/products/6859369-hagen-fl-20g-co2-cartridges-3pk
store_origin: TH
region: Thailand
---

# 20g CO2 capacity 3-pack for continuous use Made in Taiwan, premium quality HAGEN fl 20g Co2 Cartridges 3pk

**Brand:** fluval
**Price:** ฿1653
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your aquarium’s vibe with effortless CO2 power!

## Quick Answers

- **What is this?** HAGEN fl 20g Co2 Cartridges 3pk by fluval
- **How much does it cost?** ฿1653 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/6859369-hagen-fl-20g-co2-cartridges-3pk)

## Best For

- fluval enthusiasts

## Why This Product

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

## Key Features

- • **Precision CO2 Boost:** Delivers exact 20g CO2 doses for optimal plant growth
- • **Seamless Compatibility:** Perfectly fits Fluval Mini CO2 Supply Set for easy replacement
- • **Triple Pack Convenience:** Three cartridges ensure uninterrupted lush aquatic greenery
- • **Eco-Friendly & Efficient:** Passive CO2 diffusion supports slow-growing plants without waste
- • **Sleek Stainless Steel Build:** Durable, modern design built to last and impress

## Overview

The HAGEN FL 20g CO2 Cartridges 3-pack offers a reliable, easy-to-use solution for maintaining vibrant aquatic plants. Designed specifically for the Fluval Mini CO2 system, each stainless steel cartridge delivers a precise 20 grams of CO2, ensuring your underwater garden thrives with lush, healthy growth. Made in Taiwan and packaged in a convenient triple set, these cartridges provide continuous, passive CO2 diffusion ideal for tanks up to 20 gallons, making them a must-have for any serious aquascaping enthusiast.

## Description

3 pack of 20 g replacement CO2 cartridges. Designed for use with the fluval Mini pressurized 20 g CO2 kit.

Review: Perfect product for my needs. - Perfect product for my needs.
Review: Cheap co2 that works - This is a passive co2 system. You will not see microbubbles of co2 diffusing. The CO2 is dissolved into the water column. If you have a smaller tank (20 gal or less) this is a good system to boost slow growing plants without a large investment.

## Features

- The Fluval Disposable CO2 Cartridge, 0.7 ounces is a pack of three cartridges that are replacement parts for the Fluval Mini CO2 Supply Set. Proper amounts of CO2 are important to ensure that the most important nutrients are available to plants to maintain vigorous, lush and vibrant growth and condition.
- Helps ensure plants receive proper amounts of CO2
- 3-pack
- Country Of Origin: Taiwan

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004G46QQI |
| ASIN  | B004G46QQI |
| Age Range Description | All Life Stages |
| Best Sellers Rank | #131,309 in Pet Supplies ( See Top 100 in Pet Supplies ) #2,234 in Aquarium Filter Accessories |
| Brand Name | Fluval |
| Color | White |
| Customer Reviews | 4.4 4.4 out of 5 stars (295) |
| Date First Available | December 15, 2010 |
| Date First Available  | December 15, 2010 |
| Directions | Use as per directed on product. |
| Included Components | All Items listed in Description |
| Is Discontinued By Manufacturer  | No |
| Item Dimensions LxWxH | 0.9 x 3.6 x 6.8 inches |
| Item Package Dimensions L x W x H | 4.3 x 3.4 x 0.9 inches |
| Item Weight | 20 Grams |
| Item model number | A7541 |
| Item model number  | A7541 |
| Manufacturer | Rolf C. Hagen (USA) Corp. |
| Manufacturer  | Rolf C. Hagen (USA) Corp. |
| Material | Stainless Steel |
| Model Name | HAGEN FL 20G CO2 CARTRIDGES 3PK |
| Number of Items | 1 |
| Product Dimensions  | 0.9 x 3.6 x 6.8 inches; 0.71 ounces |
| Specific Uses for Product | Indoor |
| Style | Modern |
| Target Audience Keyword | fish, fish;algae-eaters; betta-fish; bottom-feeder-fish; cichlid-fish; goldfish; invertebrate-fish; mollusks; octopuses; rays; sharks; snails |
| Warranty Description | Manufacturer Warranty |

## Product Details

- **Brand:** Fluval
- **Item Form:** Cartridge
- **Item Weight:** 20 Grams
- **Manufacturer:** Rolf C. Hagen (USA) Corp.
- **UPC:** 015561175418

## Images

![HAGEN fl 20g Co2 Cartridges 3pk - Image 1](https://m.media-amazon.com/images/I/61DUZhh6nwL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect product for my needs.
*by B***O on December 3, 2025*

Perfect product for my needs.

### ⭐⭐⭐⭐⭐ Cheap co2 that works
*by N***9 on June 2, 2024*

This is a passive co2 system. You will not see microbubbles of co2 diffusing. The CO2 is dissolved into the water column. If you have a smaller tank (20 gal or less) this is a good system to boost slow growing plants without a large investment.

### ⭐⭐⭐⭐ Needs to last longer
*by L***R on April 1, 2019*

Only downfall is that the canisters only last two weeks each

## Frequently Bought Together

- HAGEN fl 20g Co2 Cartridges 3pk
- HAGEN FL MINI PRESSURIZED 20G CO2 KIT
- Fluval 88g-CO2 Bubble Counter - 3.1 Ounces

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---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-28*