--- product_id: 605905846 title: "2.5L CO2 Aquarium System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for Aquarium Plant Tanks (with Solenoid" brand: "fzone" price: "NT$12894" currency: TWD in_stock: true reviews_count: 5 category: "Fzone" url: https://www.desertcart.tw/products/605905846-2-5l-co2-aquarium-system-carbon-dioxide-reactor-kit-regulator store_origin: TW region: Taiwan --- # 12V DC solenoid timer compatible Precision needle valve for 1 bps control 80 kg/cm² pressure resistance 2.5L CO2 Aquarium System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for Aquarium Plant Tanks (with Solenoid **Brand:** fzone **Price:** NT$12894 **Availability:** ✅ In Stock ## Summary > 🌿 Elevate your aquarium game with precision CO₂ control and unbeatable durability! ## Quick Answers - **What is this?** 2.5L CO2 Aquarium System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for Aquarium Plant Tanks (with Solenoid by fzone - **How much does it cost?** NT$12894 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/605905846-2-5l-co2-aquarium-system-carbon-dioxide-reactor-kit-regulator) ## 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 - • **Unmatched Durability:** SUS304 stainless steel bottle 25% thicker than standard for ultimate safety and longevity. - • **Smart Automation Ready:** 12V DC solenoid valve supports timer integration for perfectly scheduled CO₂ injection. - • **Precision CO₂ Control:** High-accuracy needle valve with bubble counter ensures flawless fine-tuning down to 1 bubble per second. - • **Trusted Support & Warranty:** Backed by a 1-year warranty and responsive 24/7 customer service, ensuring your setup runs flawlessly. - • **Cost-Effective & Eco-Friendly:** DIY CO₂ generation slashes refill costs and eliminates disposable cylinder waste—sustain your aquatic paradise affordably. ## Overview The FZONE 2.5L CO₂ Aquarium System is a professional-grade DIY kit featuring a robust 1.5mm thick SUS304 stainless steel bottle capable of withstanding pressures up to 80 kg/cm². It includes a precision needle valve with an integrated bubble counter and check valve to prevent backflow, plus a 12V DC solenoid valve compatible with timers for automated CO₂ injection. Designed for aquatic plant tanks, this system offers cost-effective, eco-friendly CO₂ generation with a one-year warranty and dedicated customer support. ## Description FZONE 2.5L CO2 Aquarium System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for Aquarium Plant Tanks (with Solenoid : desertcart.ae: Pet Supplies Review: Reliable, well-built, and beats paying for cylinder refills! - This 2.5L generator is a game-changer for planted tanks. The stainless steel cylinder feels solid and safe, the needle valve allows for precise bubble-count adjustments, and the included solenoid makes syncing your CO2 injection with your light cycle completely seamless. Tips for setup: Double Batch Capacity: Easily handles 400g citric acid, 400g baking soda, and 600ml water. The 45° Tilt: Keep the cylinder tilted at 45 degrees while pouring the water so the reaction doesn't start prematurely, clean the threads quickly, and screw the regulator on tightly. Output: Generates strong, steady pressure with zero leaks. Produces an ultra-fine mist and keeps CO2 levels perfectly stable without the hassle or recurring cost of commercial gas tank refills. Highly recommended! Review: FZone Impareggiabili, il cliente al primo posto - Devo dire che all' inizio ero un po scettico sulla scelta di questo KIT fai da te, mi sono dovuto ricredere molto in fretta. Per cominciare il prezzo, rispetto ai classici impianti di CO2 costa molto meno, ti togli il problema delle bombole usa e getta che hanno un costo non indifferente senza contare che poi hai il problema dello smaltimento e per ultimo con una ricarica da 3€ ci faccio 3 mesi almeno. Intanto l' assemblaggio e la messa in opera una cosa facilissima, fai tutto in una mezzoretta ed è pronto all' uso, materiali veramente ottimi di prim'ordine, è 2 mesi che è in funzione e ho ancora più di mezza bombola disponibile. Però un problemino si è verificato, la valvola a spillo non si riusciva a calibrare, saltava da 15 a 30 bolle al minuto e non riuscivo veramente a calibrarla sulle 20 al minuto come io volevo, ho un acquarietto piccolo da 25 Litri. Decido di contattare direttamente FZone Europa lasciando fuori desertcart ma dialogando direttamente con loro. Impressionato dalla efficienza e attenzione ricevuta, mai successo di avere da una azienda una assistenza così attenta e personale, intanto le 3-4 mail scambiate ho interloquito sempre con la stessa persona ( Cheryl che ringrazio ancora per le attenzioni avute per il mio problema ) poi il tutto in lingua Italiana corrente ( senza traduttore Google ) invio un piccolo video per evidenziare il problema della valvola a spillo. Risultato? dopo 3 giorni avevo a casa non la valvola a spillo ma tutto il blocco del riduttore di pressione. Allibito e senza parole, non ci credevo, ora funziona tutto alla perfezione con le mie 20 bolle al minuto. Grazie FZone, il prossimo acquario che metterò su come cliente non mi perderete di sicuro. Io lo consiglio vivamente questo Kit per chi naturalmente non ha acquari esagerati. Prezzo conveniente, assistenza superlativa, costi di gestione molto contenuti senza sprechi. ## Features - Professional DIY Kit. A complete system in one bottle with a size of 2.5L, including a SUS304 stainless steel bottle, a regulator, a precision needle valve, and an easily adjustable bubble counter - Safe. The bottle body is made of 1.5mm thick SUS304 stainless steel (25% thicker than normal 1.2mm bottles). It can withstand a pressure of up to 80 kg/cm2 (or 1137 PSI). The safety valve opens automatically when the internal pressure exceeds the safety threshold - Needle valve with bubble counter. The high-precision, aquarium-specific needle valve ensures accurate fine tuning. Continuous 1 bps are achievable. Bubble counter with built-in check valve. It prevents water from flowing back into your CO2 tank (protects your CO2 tanks from rust and corrosion). - 12 V DC instead of alternating current. When the magnet is on a timer, you can specify when and for how long the CO2 injection should be turned on - Please note: The required powders for generating CO2 gas are NOT included! You need citric acid and sodium bicarbonate powder - One-year warranty: FZONE offers a one-year warranty, 24/7 service, and you can contact us anytime with questions about our products. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B5R18XDV | | Best Sellers Rank | #83,156 in Pet Supplies ( See Top 100 in Pet Supplies ) | | Brand | FZONE | | Brand Name | FZONE | | Customer Reviews | 4.4 out of 5 stars 995 Reviews | | Global Trade Identification Number | 00689323444083 | | Item Form | Liquid | | Item Weight | 2.36 Kilograms | | Item form | Liquid | | Item weight | 2.36 Kilograms | | Liquid Volume | 2.5 Liters | | Liquid volume | 2.5 Liters | | Manufacturer | FZONE | | Manufacturer Part Number | 2.5 L | | Model Number | 2.5 L | | Number of Items | 1 | | Number of Packs | 1 | | Pet Type | Fish | | Target Species | Aquatic Plants | | UPC | 689323444083 | | Unit Count | 1.0 Count | | Unit count | 1.0 Count | ## Product Details - **Brand:** FZONE - **Item form:** Liquid - **Item weight:** 2.36 Kilograms - **Liquid volume:** 2.5 Liters - **Number of Packs:** 1 ## Images ![2.5L CO2 Aquarium System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for Aquarium Plant Tanks (with Solenoid - Image 1](https://m.media-amazon.com/images/I/61WHFAHGpsL.jpg) ## Available Options This product comes in different **Pattern** 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 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reliable, well-built, and beats paying for cylinder refills! *by R***T on 31 August 2026* This 2.5L generator is a game-changer for planted tanks. The stainless steel cylinder feels solid and safe, the needle valve allows for precise bubble-count adjustments, and the included solenoid makes syncing your CO2 injection with your light cycle completely seamless. Tips for setup: Double Batch Capacity: Easily handles 400g citric acid, 400g baking soda, and 600ml water. The 45° Tilt: Keep the cylinder tilted at 45 degrees while pouring the water so the reaction doesn't start prematurely, clean the threads quickly, and screw the regulator on tightly. Output: Generates strong, steady pressure with zero leaks. Produces an ultra-fine mist and keeps CO2 levels perfectly stable without the hassle or recurring cost of commercial gas tank refills. Highly recommended! ### ⭐⭐⭐⭐⭐ FZone Impareggiabili, il cliente al primo posto *by E***O on 27 July 2026* Devo dire che all' inizio ero un po scettico sulla scelta di questo KIT fai da te, mi sono dovuto ricredere molto in fretta. Per cominciare il prezzo, rispetto ai classici impianti di CO2 costa molto meno, ti togli il problema delle bombole usa e getta che hanno un costo non indifferente senza contare che poi hai il problema dello smaltimento e per ultimo con una ricarica da 3€ ci faccio 3 mesi almeno. Intanto l' assemblaggio e la messa in opera una cosa facilissima, fai tutto in una mezzoretta ed è pronto all' uso, materiali veramente ottimi di prim'ordine, è 2 mesi che è in funzione e ho ancora più di mezza bombola disponibile. Però un problemino si è verificato, la valvola a spillo non si riusciva a calibrare, saltava da 15 a 30 bolle al minuto e non riuscivo veramente a calibrarla sulle 20 al minuto come io volevo, ho un acquarietto piccolo da 25 Litri. Decido di contattare direttamente FZone Europa lasciando fuori Amazon ma dialogando direttamente con loro. Impressionato dalla efficienza e attenzione ricevuta, mai successo di avere da una azienda una assistenza così attenta e personale, intanto le 3-4 mail scambiate ho interloquito sempre con la stessa persona ( Cheryl che ringrazio ancora per le attenzioni avute per il mio problema ) poi il tutto in lingua Italiana corrente ( senza traduttore Google ) invio un piccolo video per evidenziare il problema della valvola a spillo. Risultato? dopo 3 giorni avevo a casa non la valvola a spillo ma tutto il blocco del riduttore di pressione. Allibito e senza parole, non ci credevo, ora funziona tutto alla perfezione con le mie 20 bolle al minuto. Grazie FZone, il prossimo acquario che metterò su come cliente non mi perderete di sicuro. Io lo consiglio vivamente questo Kit per chi naturalmente non ha acquari esagerati. Prezzo conveniente, assistenza superlativa, costi di gestione molto contenuti senza sprechi. ### ⭐⭐⭐⭐⭐ Long term review *by S***E on 5 May 2026* I’ve been using this DIY CO₂ cylinder on my 50 gallon tank for about a year now, and it’s been consistently reliable. Setup was straightforward, and even if you’re new to planted tanks, it doesn’t feel overwhelming. The design is simple and intuitive, which makes day to day use pretty hassle free. One of the biggest advantages is how easy it is to refill. You don’t need any complicated tools or special skills, just a quick recharge and you’re good to go again. That makes it much more convenient compared to some pressurized systems. In terms of performance, it does exactly what you need. CO₂ output is steady enough to support healthy plant growth, and I haven’t faced any major issues over long term use. For beginners especially, this is a great starting point before moving on to more advanced setups. Overall, it’s a practical, easy to use solution that delivers solid results without overcomplicating things. ## Frequently Bought Together - Fzone 2.5 L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for Aquarium Plants Tanks - FZONE Aquatic CO2 Glass Drop Checker PH Momitor for Aquarium Plant Fish Tank Test CO2 Kit - Clscea Aquarium CO2 Raw Materials Citric Acid and Baking Soda --- ## 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.tw/products/605905846-2-5l-co2-aquarium-system-carbon-dioxide-reactor-kit-regulator](https://www.desertcart.tw/products/605905846-2-5l-co2-aquarium-system-carbon-dioxide-reactor-kit-regulator) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-10-04*