--- product_id: 524278183 title: "FZONE 5.5L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for 600-800g Raw Material" brand: "fzone" price: "€ 357.84" currency: EUR in_stock: true category: "Fzone" url: https://www.desertcart.sk/products/524278183-fzone-5-5l-aquarium-co2-generator-system-carbon-dioxide-reactor store_origin: SK region: Slovakia --- # 12V DC solenoid timer-ready for custom CO2 cycles Precision needle valve with bubble counter, steady 1 bps 1.5mm SUS304 steel, 25% thicker for max safety FZONE 5.5L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for 600-800g Raw Material **Brand:** fzone **Price:** € 357.84 **Availability:** ✅ In Stock ## Summary > 🌿 Elevate your aquarium game with precision CO2 control—because your aquatic plants deserve the best! ## Quick Answers - **What is this?** FZONE 5.5L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for 600-800g Raw Material by fzone - **How much does it cost?** € 357.84 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/524278183-fzone-5-5l-aquarium-co2-generator-system-carbon-dioxide-reactor) ## 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 - • **Complete DIY Kit:** Everything you need except raw materials—designed for pros who want full control over their aquarium’s carbon dioxide environment. - • **Backflow Protection:** Built-in check valve prevents water from damaging your CO2 tank, extending equipment life and reliability. - • **Precision CO2 Control:** High-accuracy needle valve with integrated bubble counter lets you fine-tune CO2 flow to a steady 1 bubble per second for optimal aquatic plant growth. - • **Customizable CO2 Scheduling:** 12V DC solenoid compatible with timers (sold separately) lets you automate CO2 injection, syncing perfectly with your aquarium’s light cycle. - • **Industrial-Grade Durability:** Robust 1.5mm SUS304 stainless steel bottle withstands up to 1137 PSI, ensuring ultimate safety and longevity. ## Overview The FZONE 5.5L Aquarium CO2 Generator System is a professional-grade DIY kit featuring a thick 1.5mm SUS304 stainless steel bottle capable of withstanding pressures up to 1137 PSI. It includes a precision needle valve with an integrated bubble counter and backflow check valve for accurate and safe CO2 delivery. Designed for aquarists who demand control, it supports 12V DC solenoid timers for customizable CO2 injection schedules. Raw materials for CO2 generation are sold separately. ## Description desertcart.com : FZONE 5.5L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for 600-800g Raw Material : Pet Supplies ## Features - Professional DIY Kit: a complete system in 5.5L size bottle, that includes SUS304 stainless bottle, regulator, precision needle valve, and easy adjustable bubble counter - Safe: the bottle body is made of 1.5mm thick SUS304 stainless steel (25% thicker than normal 1.2mm bottle); it can sustain pressure up to 80kg/cm2(or 1137 PSI); safety valve will open automatically when the inside pressure exceeds the safety threshold - Needle Valve with Bubble Counter: high precision, aquarium specific needle valve provides accurate fine-tuning; steady 1 bps is achievable; bubble counter with check valve built-in; it stops water from back flowing into your CO2 tank (protects your CO2 tanks from rust and corrosion) - 12V DC Instead of AC Power: having the solenoid on a timer( not included), you can specify when you want CO2 injection on and for how long - Attentions: the required powders to generate CO2 gas are not included; you will need purchase the citric acid and sodium bicarbonate powders separately. Fzone will offer a round-the-clock service, and you can reach out to us at any time for any product-related concerns. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08THYYFMN | | ASIN | B08THYYFMN | | Best Sellers Rank | #51,013 in Pet Supplies ( See Top 100 in Pet Supplies ) #177 in Aquarium Air Pump Accessories | | Brand Name | FZONE | | Customer Reviews | 4.2 4.2 out of 5 stars (990) | | Date First Available | February 23, 2023 | | Item Form | Liquid | | Item model number | FZ-4LKIT-US | | Liquid Volume | 5.5 liters | | Manufacturer | FZONE | | Manufacturer | FZONE | | Manufacturer Part Number | FZ-4LKIT-US | | Model Number | FZ-4LKIT-US | | Package Dimensions | 17.4 x 10.79 x 7.05 inches; 7.14 pounds | | Pet Type | Fish | | Target Species | Fish and Plants | | UPC | 764595876395 | | Unit Count | 1 Count | ## Product Details - **Brand:** FZONE - **Item Form:** Liquid - **Liquid Volume:** 5.5 liters - **Manufacturer:** FZONE - **Unit Count:** 1 Count ## Images ![FZONE 5.5L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for 600-800g Raw Material - Image 1](https://m.media-amazon.com/images/I/61WHFAHGpsL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: What is the reason for needing a solenoid? How will the system run without one?** A: The solenoid will control the co2 output. When turn off the solenoid, there will not be co2 out from the generator. If without the solenoid, the co2 will keep output. **Q: How long do I have to wait before using the set up in my tank?** A: You can use it as soon as the needle is in the green. **Q: How can i replace the needle valve. Mine is broken alternating between full throttle or 0?** A: This isn’t a replacement part for the co2 generator it’s valve for a co2 tank. I recommend contacting the manufacturer. **Q: For a 4l co2 generator, should i put in 600-800 gram each of material a&b? also do i pour in 300ml water or more? i've read different opinions online.** A: I use 600 ml for the material each and 800 ml of water I freeze the water in try"s that make long round ice cubes the cube are made to put in water bottles ## Frequently Bought Together - FZONE 4 L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for 600-800g Raw Material - Milliard Citric Acid 5 Pound - 100% Pure Food Grade Non-GMO Project Verified (5 Pound) - ARM & HAMMER Baking Soda Made in USA, Ideal for Baking, Pure & Natural, 2.7lb Bag --- ## 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.sk/products/524278183-fzone-5-5l-aquarium-co2-generator-system-carbon-dioxide-reactor](https://www.desertcart.sk/products/524278183-fzone-5-5l-aquarium-co2-generator-system-carbon-dioxide-reactor) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-08-07*