Chihiros CO₂ Generator Kit 2.5L – Smart DIY CO₂ System with App Control
The Chihiros CO₂ Generator Kit 2.5L is an innovative, cost-effective alternative to traditional pressurised CO₂ systems. Using a chemical reaction between citric acid and baking soda, it generates CO₂ on demand—delivering reliable plant growth support without the need for refillable gas cylinders.
Key Features
DIY CO₂ Generation System (No Gas Refills Needed)
Produces CO₂ through a controlled reaction of citric acid and sodium bicarbonate—ideal for hobbyists without access to refill stations.
Smart Bluetooth App Control (My Chihiros)
Integrated controller allows you to:
- Automate CO₂ on/off schedules
- Control solenoid operation
- Manage dosing timing for stability
Complete Plug-and-Play Kit
Includes all essential components needed to run a full CO₂ system straight out the box.
Built-In Solenoid Valve (12V DC)
Automatically shuts off CO₂ at night when paired with the app—saving gas and improving safety.
Integrated Regulator & Bubble Counter
- Fine-tune CO₂ output
- Easily monitor dosing visually
Durable 2.5L Stainless Steel Cylinder
High-quality SUS304 construction ensures durability and safe pressure handling.
Efficient Nano Diffuser Included
Comes with a CO₂ diffuser to produce fine bubbles for effective CO₂ absorption in planted tanks.
What’s Included
- 2.5L stainless steel CO₂ generator cylinder
- CO₂ regulator
- Bluetooth CO₂ controller
- 12V DC solenoid valve
- Bubble counter
- Nano CO₂ diffuser (S size)
- CO₂ tubing
- Air filters
- Measuring cup
- Funnel (for mixing materials)
- U-clips (8mm & 12mm)
- O-rings & cables
Specifications
- Capacity: 2.5 Litres
- Material: SUS304 stainless steel
- Control: Bluetooth (My Chihiros App)
- Power Supply: 12V DC
- System Type: Chemical CO₂ generator
- Dimensions: ±100 × 520 mm
Required Materials (Not Included)
- Citric Acid (~200g)
- Sodium Bicarbonate (~220g)
- Water (~300ml)
Ideal For
- Nano to medium planted aquariums
- Hobbyists without access to CO₂ refill stations
- Entry to mid-level aquascaping setups
- Budget-friendly CO₂ systems
- Users wanting app-controlled automation
Why Choose the Chihiros CO₂ Generator Kit?
This system bridges the gap between DIY and professional CO₂ setups. It offers more control and stability than basic DIY kits, while remaining far more affordable and accessible than full pressurised cylinder systems.
With app control, built-in solenoid, and a complete accessory kit, it’s one of the most convenient ways to introduce CO₂ into your aquarium—especially for hobbyists looking for a clean, automated, and refill-free solution.
