--- product_id: 729865290 title: "FZONE Desktop Aquarium CO2 System,45g CO2 Cartridge,5/8\" & 3/8\" Compatible | Space-saving,Lasts 20–50 Days,Quick & Easy Setup,Compact,Portable,Lightweigh,Precision Bubble Control,For Nano Planted tanks" brand: "fzone" price: "€ 109.03" currency: EUR in_stock: true category: "Fzone" url: https://www.desertcart.hr/products/729865290-fzone-desktop-aquarium-co2-system-45g-co2-cartridge-5-8 store_origin: HR region: Croatia --- # Up to 50 days CO2 supply per cartridge Compact 9.84" x 1.96" slim design Dual 5/8" & 3/8" thread compatibility FZONE Desktop Aquarium CO2 System,45g CO2 Cartridge,5/8" & 3/8" Compatible | Space-saving,Lasts 20–50 Days,Quick & Easy Setup,Compact,Portable,Lightweigh,Precision Bubble Control,For Nano Planted tanks **Brand:** fzone **Price:** € 109.03 **Availability:** ✅ In Stock ## Summary > 🌿 Elevate your nano aquarium game with sleek, hassle-free CO2 precision! ## Quick Answers - **What is this?** FZONE Desktop Aquarium CO2 System,45g CO2 Cartridge,5/8" & 3/8" Compatible | Space-saving,Lasts 20–50 Days,Quick & Easy Setup,Compact,Portable,Lightweigh,Precision Bubble Control,For Nano Planted tanks by fzone - **How much does it cost?** € 109.03 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/729865290-fzone-desktop-aquarium-co2-system-45g-co2-cartridge-5-8) ## Best For - fzone enthusiasts ## Why This Product - Trusted fzone brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Space-Savvy Design:** Ultra-compact regulator fits perfectly on any desktop or nano aquarium without clutter. - • **Durable & Leak-Proof:** High-strength aluminum body with precision sealing ensures safety and reliability indoors. - • **Universal Thread Fit:** Seamlessly compatible with both 5/8" and 3/8" CO2 cartridges—no extra adapters needed. - • **Long-Lasting CO2 Delivery:** 45g disposable cartridge powers your aquatic plants for up to 50 days on a daily 8-hour cycle. - • **Effortless Setup & Maintenance:** Quick-connect tubing and disposable cartridges mean zero hassle and instant CO2 flow. ## Overview The FZONE Desktop Aquarium CO2 System is a compact, portable CO2 regulator designed specifically for nano and desktop aquariums. Featuring compatibility with both 5/8" and 3/8" threaded CO2 cartridges, it offers a slim, durable aluminum build with precision sealing to prevent leaks. Equipped with a 45g disposable cartridge, it delivers efficient CO2 dosing for up to 50 days on an 8-hour daily schedule. Its quick-connect setup and disposable design make it an ideal, low-maintenance solution for professional aquarium enthusiasts seeking reliable plant growth enhancement. ## Description desertcart.com : FZONE Desktop Aquarium CO2 System, CO2 Regulator with 45g Disposable CO2 Cartridge, Compatible with 5/8" and 3/8" Threaded Interfaces, Perfect for Nano Aquariums : Pet Supplies ## Features - Compact and Portable CO2 System: For small or desktop aquariums, standard large CO2 tanks can be bulky and impractical. This portable mini CO2 regulator is just 9.84 inches tall and 1.96 inches wide, making it a perfect fit for small spaces. Its slim design is easy to hold with one hand, offering both convenience and ease of use. - Compatible with 5/8" and 3/8" CO2 Cartridges Threads: This CO2 regulator aquarium fits standard 5/8" threaded cylinders and comes with a 3/8" adapter, providing perfect compatibility with different cylinder sizes. No need to purchase additional converters or adapters, making it easy to use while saving you time and money. - Long-Lasting High-Density：Liquid CO2’s higher density enables a compact design with extended usage. Through internal testing, we found that each bubble consumes only 0.03 ml of CO2. The mini CO2 regulator kit equipped with a 45g cartridge, can last up to 50 days at 1 BPS, on an 8-hour daily schedule. - Effortless Setup ：Disposable CO2 cartridges eliminate the need for frequent refills, ensuring quick setup and low maintenance. The Quick-Connect feature allows instant CO2 tubing installation without rotating the pipe—setup is done in seconds. - Safety and Reliability： This CO2 regulator system features high-strength aluminum,a seamless design, and precision sealing to ensure durability and prevent leaks. The single-use design eliminates refilling, providing safety and convenience, making it perfect for indoor use. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DY46N5WV | | ASIN | B0DY46N5WV | | Best Sellers Rank | #18,549 in Pet Supplies ( See Top 100 in Pet Supplies ) #40 in Aquarium Air Pump Accessories | | Brand Name | FZONE | | Color | silver grey | | Customer Reviews | 4.3 4.3 out of 5 stars (155) | | Date First Available | February 22, 2025 | | Date First Available | February 22, 2025 | | Directions | 1 | | Included Components | CO2 REGULATOR | | Item Package Dimensions L x W x H | 8.62 x 7.87 x 2.4 inches | | Item Weight | 1.17 pounds | | Item model number | MINI02 | | Item model number | MINI02 | | Manufacturer | FZONE | | Manufacturer | FZONE | | Model Name | Co2 system | | Package Dimensions | 8.62 x 7.87 x 2.4 inches; 1.17 pounds | | Specific Uses for Product | Aquarium | | Target Audience Keyword | Aquarium | | Warranty Description | 1 | ## Images ![FZONE Desktop Aquarium CO2 System,45g CO2 Cartridge,5/8" & 3/8" Compatible | Space-saving,Lasts 20–50 Days,Quick & Easy Setup,Compact,Portable,Lightweigh,Precision Bubble Control,For Nano Planted tanks - Image 1](https://m.media-amazon.com/images/I/51N4sSf-ABL.jpg) ## Available Options This product comes in different **Pattern** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/729865290-fzone-desktop-aquarium-co2-system-45g-co2-cartridge-5-8](https://www.desertcart.hr/products/729865290-fzone-desktop-aquarium-co2-system-45g-co2-cartridge-5-8) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-21*