Wyin Aqua Citric Acid CO₂ System – Stainless Steel 1L Complete Kit

Enhance your planted aquarium with the Wyin Aqua Citric Acid CO₂ System (1 L). This premium kit substitutes cumbersome high-pressure gas cylinders with a safe, efficient citric acid baking soda chemical reaction housed in a robust stainless steel vessel. Ideal for nano to medium tanks, this 1 L version delivers reliable CO₂ output, full regulator control and finish-level components. What’s included in the kit

- 1 L polished stainless steel CO₂ generator cylinder
- Precision CO₂ regulator with gauge & needle valve
- 12 V DC solenoid valve for on/off control (timer compatible)
- Aluminium bubble counter with integrated check valve
- Ceramic CO₂ diffuser for fine CO₂ dispersion
- 2 m CO₂-resistant tubing (4/6 mm)
- U-bend tube holder for neat tank placement
- Suction-cup holder and mounting hardware
Instructions for use (for 1 L version)
- Add 140 g citric acid 160 g baking soda into cylinder.
- Pour in 200 ml water carefully (tilt cylinder to minimise foam).
- Attach regulator and watch pressure build.
- Prime bubble counter with water (~¾ full), connect tubing and diffuser.
- Secure tubing around rim with U-bend tool, set bubble rate.
- For best results: 0.5–1 bubble/second is a good start for moderate setups; adjust as plants respond. Specifications

- Capacity: 1 L
- Cylinder material: SUS304 stainless steel (polished)
- Approximate dimensions: 190 mm height × 102 mm diameter
- Tube: 4/6 mm CO₂-resistant tubing
- Solenoid voltage: 12 V DC
- Kit net weight: ~1.3kg (for reference) Usage Notes & Safety

- Reagents (citric acid/baking soda/water) are not included.
- Always depressurize before opening cylinder.
- Monitor bubble rate and plant health.
- Clean diffuser and bubble counter regularly to avoid blockages.
- This kit is designed for planted setups.