Collection: CO2 Equipment

CO2 Is the Biggest Lever in a Planted Tank

Light and fertilizer only take plants as far as their carbon supply allows. Injecting pressurized CO2 removes that ceiling, unlocking faster, denser, more vivid growth — it's the upgrade that separates a good planted tank from a showpiece.

Components of a CO2 Setup

• Cylinders and regulators — refillable cylinders paired with single- or dual-stage regulators for stable output.
• Diffusers — ceramic and stainless units that break CO2 into a fine mist for maximum dissolution.
• Drop checkers — indicator fluid that gives a continuous visual read on CO2 concentration.
• Bubble counters and valves — precise rate control plus check valves to prevent backflow.
• CO2-safe tubing — dense tubing that won't leak gas over time.

Increase your injection rate gradually and watch livestock closely, since excess CO2 lowers pH and can stress fish. Pair injection with a timer so CO2 runs only during the photoperiod. Questions on sizing a system? Email info@jlaquatics.com.