CO2 Diffuser Glass Spreader Set – U-Shaped Tube & Check Valve

Description

Getting CO2 to actually reach your plants — not just bubble past them — is one of the most common struggles in a planted tank. This glass CO2 diffuser kit is built to solve exactly that: it breaks incoming CO2 into fine, slow-rising bubbles that stay in the water column longer, giving your plants a real chance to absorb it before it escapes at the surface.

The set is entirely glass, a material aquascapers favor for CO2 equipment because it doesn’t degrade, discolor, or absorb odors the way some plastics do over time. The included check valve prevents water from siphoning back into your CO2 line if pressure drops, protecting your regulator and tubing. The U-shaped glass tube and suction cup mount let you position the diffuser exactly where you want it against the glass, without loose tubing drifting around the tank.

Setup is straightforward: connect the diffuser to your CO2 line via the check valve, mount it to the aquarium glass with the suction cup, and adjust your bubble rate as usual. Because everything here is glass and low-profile, it blends into a planted or aquascaped tank far better than bulkier diffuser designs.

Features

• ✔ Complete glass CO2 diffusion kit — diffuser, check valve, U-shaped tube, and suction cup
• ✔ All-glass construction, resistant to degradation and discoloration
• ✔ Check valve prevents backflow into the CO2 line
• ✔ U-shaped tube design for flexible, secure positioning
• ✔ Suction cup mount for stable placement on aquarium glass
• ✔ Compact, low-profile footprint suited to planted and aquascaped tanks
• ✔ Compatible with pressurized and DIY CO2 systems

Specifications

Ideal For

• Planted aquariums running pressurized or DIY CO2
• Aquascapers who want a low-profile, all-glass diffuser
• Anyone replacing a plastic diffuser prone to clouding or algae buildup

Package Includes

• 1 x CO2 Diffuser
• 1 x Check Valve
• 1 x U-Shaped Glass Tube
• 1 x Suction Cup

Installation

• Connect the check valve to your CO2 tubing, ensuring correct flow direction
• Attach the diffuser to the check valve and U-shaped glass tube assembly
• Mount the suction cup to the aquarium glass at your desired diffusion point
• Connect to your CO2 source and adjust bubble rate as needed

Usage Tips

• Position the diffuser where the bubble stream can travel a long path before reaching the surface, to maximize CO2 absorption
• Clean the glass diffuser periodically to prevent algae buildup from reducing bubble quality
• Check the valve orientation before connecting to avoid backflow issues

Warnings

• Glass component — handle with care to avoid breakage
• Not intended for use outside a CO2 diffusion setup
• Ensure secure suction cup placement to avoid the unit detaching