Premium Glass CO2 Diffuser 4-in-1 Set (SF-125) – 18mm for Planted Aquariums

Elevate your aquascaping game and achieve lush, vibrant aquatic plant growth with the Premium Glass CO2 Diffuser 4-in-1 Set (Model SF-125), available now at www.onyxaqua.com. Carbon dioxide is the lifeblood of a thriving planted tank, and this comprehensive kit provides everything you need to deliver it efficiently and beautifully.

Designed for nano to medium-sized aquariums, this all-inclusive set takes the guesswork out of your CO2 installation. It features elegant, laboratory-grade glassware that dissolves gas with maximum efficiency while seamlessly blending into your underwater landscape.

Key Features & Benefits

• Complete 4-in-1 Solution: This convenient set includes the glass diffuser, a protective glass U-bend tube, a high-quality inline check valve, and a clear suction cup, giving you a complete setup right out of the box.

• Ultra-Fine Micro-Mist: The high-density 18 mm ceramic disc atomizes pressurized CO2 into microscopic bubbles. This maximizes the gas surface area, ensuring rapid absorption into the water column before reaching the surface.

• Glass Over-the-Rim U-Bend: The included separate glass U-tube is designed to hang over the top rim of your aquarium. This guides your silicone airline tubing neatly into the tank, preventing annoying kinks that can block your CO2 flow.

• Essential Check Valve Included: The provided red-and-clear check valve is a vital safety feature. It prevents aquarium water from siphoning backward down the airline tubing during a power outage or when the CO2 is turned off, protecting your expensive regulator and solenoid.

• Crystal-Clear Aesthetics: Crafted from transparent, scratch-resistant glass, the diffuser and U-bend keep the visual focus strictly on your plants and livestock, avoiding the clutter of bulky plastic equipment.

Technical Specifications

Installation & Maintenance Pro-Tips

To achieve the finest CO2 mist, protect your fragile glassware, and ensure safe operation, please follow these essential steps:

The Crucial Pre-Soak: > Before attaching your CO2 line, submerge the glass diffuser in aquarium water for at least 24 hours. The ceramic disc must be completely saturated with water to produce a fine mist. Connecting it dry will result in large, inefficient bubbles.

Check Valve Orientation: > Pay close attention to the direction of the check valve. The CO2 must flow toward the aquarium. If installed backward, no gas will pass through.

Handling Glass with Care: > Glass CO2 equipment is delicate. When attaching your airline tubing to the diffuser or the U-bend, never apply sideways pressure or twist the glass stems. Soften the end of your tubing in a cup of hot water for 10-15 seconds first—it will then slide safely and effortlessly onto the glass.

Routine Cleaning: > When algae or biofilm eventually clogs the ceramic pores, soak the diffuser in a mild bleach and water solution (1:10 ratio) until the disc is white again. Rinse meticulously and soak in a heavy dose of aquarium water conditioner (dechlorinator) before returning it to your tank.