Co2 - Freshwater

5 pound brushed aluminum Equipped with Cylinder Valve w/ black hand wheel. CO2 regulators and CO2 cylinders have CGA 320 fittings for USA & Can...

The PINPOINT® CO2 Regulator Kit is now available. This is a high end regulator/solenoid engineered specifically for the aquarium hobby at an affo...

CO2 Regulator – Precision Electronic Solenoid Control for Freshwater and Saltwater Aquariums | Reef Supplies Canada CO2 regulators are essential fo...

Item is easy to install. The hose mechanism is quite simple (similar to canister filters), it's perfect to use with the MAX MIX CO2 REACTOR, becaus...

Suitable for any kinds of CO2 regulator or air pump. Divide one regulator into three and control three regulators at the same time.

These are the most practical diffusers available. Into a single piece, you have a check valve, a bubble counter and the diffuser. Also very importa...

Suitable for any kinds of CO2 regulator or air pump. Divide one regulator into three and control three regulators at the same time.

Acrylic material allows accurate CO2 bubble reading and longer operation life.Compact size, streamline design.

Item is easy to install. The hose mechanism is quite simple (similar to canister filters).2 in 1 functions: CO2 bubble counter and check valve.CO2 ...

ISTA Replacement Ceramic for 3 in 1 Diffusers (Choose Size)

Replacement ceramic for large UFO diffuser item #IS00505