Why You’ll Love It
Give your planted tank the CO₂ it needs to thrive with the hygger CO₂ Generator Kit. Built for durability, precision, and safety, it delivers consistent, high-purity CO₂ through a proven citric acid and sodium bicarbonate reaction—eliminating the pressure instability found in traditional DIY generators. Whether you have a small aquascape or a large, high-light planted setup, this system offers dependable performance and professional-grade components.
Key Features
Professional CO2 Generator System
hygger HC018 CO2 bottles are constructed from premium SUS304 stainless steel bottles (25% thicker than standard tanks), providing superior durability, stability, and pressure resistance compared to plastic bottles. Far superior to plastic bottle generators, they’re more durable, stable, safe, and high-pressure resistant for aquarium-planted tanks.
Premium Safety Protection
The CO2 generator’s automatic pressure relief valve activates when pressure exceeds 30–35 kg; the 12V waterproof quick connection solenoid valve prevents leaks. Producing high-purity CO₂ with consistent pressure.
Professional CO2 Reactor DIY Kit
A complete system in a 2L/5L size bottle includes a stainless steel bottle, regulator, solenoid valve, triple filter element, precision needle valve, and easily adjustable bubble counter with built-in check valve. Monitors CO₂ flow and stops water from flowing back into the cylinder.
High Precision CO2 injection
Timer-compatible solenoid lets you control injection times; bubble counter ensures accurate dosing and prevents backflow into the tank. Available in 2 L or 5 L to match different tank sizes and CO₂.
Usage Tips
Size-Specific Options
The2 L modelis compact and ideal for smaller aquariums or moderate CO₂ needs.
The5 L modelis better suited for larger or high-light planted tanks, reducing refill frequency and meeting higher CO₂ demands.
Installation & Setup
Follow the included manual for assembly.
Secure all connections—especially at the regulator, solenoid, and bubble counter.
Connect the solenoid to a timer for automated injection control.
Operating Safely
Required citric acid and sodium bicarbonate powders are not included—purchase separately.
Never invert the bottle. Avoid using strong acids or alkalis.
Adjust CO₂ flow gradually based on tank size, plant density, and species needs. Over-injection can cause fish hypoxia.
Maintenance Advice
Wipe down components after each use and keep them dry.
Check seals, tubing, and fittings regularly for wear.
Replenish reaction materials as needed to maintain consistent output.
Specifications
2L: calibre-10cm, height-34cm, thickness-1.2mm
5L: calibre-13cm, height-40cm H, thickness-1.5mm
Package:
1 x 2L/5L SUS 304 stainless steel cylinder
1 x SUS 304 stainless steel regulator
1 x Triple filter element
1 x Quick connection solenoid valve
1 x Large & small sealing ring
1 x CO2 bubble counter & diffuser
4 x Suction cup
1 x CO2 tubing 2m
1 x Check valve
1 x U-bend tube
1 x Silicone collapsible funnel
1 x User manual
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