CO2

CO2 is a planted tank hobbyist essential for supporting a thriving planted aquarium. The UNS CO2 Pro Cylinder offers an on/off valve feature eliminating the need for pin valves and accidental tank dumps during installation and setup. CO2 reserves and...

Included with the stainless steel u-bend tubing connector are 4 suction cups to hold everything in place.  Stainless steel is not as breakable as glass, and will ensure your CO2 tubing will stay neatly in place without crimping and impeding flow...

Included with the stainless steel u-bend tubing connector are 4 suction cups to hold everything in place.  Stainless steel is not as breakable as glass, and will ensure your CO2 tubing will stay neatly in place without crimping and impeding flow...

Included with the stainless steel u-bend tubing connector are 4 suction cups to hold everything in place.  Stainless steel is not as breakable as glass, and will ensure your CO2 tubing will stay neatly in place without crimping and impeding flow...

This device permits the flow of CO2 in one direction only, protecting your system from water backflow and solenoid damage. The push-in connectors allow for easy installation, and it is made from non-corrosive material that will properly contain CO2 gas.

The SR Aquaristik CO2 bubble counter fits onto any standard CO2 regulator and/or splitter. This product is made from aluminum and acrylic. To use a bubble counter, screw directly onto the regulator or splitter, fill with water, and attach CO2 tubing to...

When connecting a CO2 regulator to your aquarium, you will need tubing rated for transporting CO2.  Airline tubing will eventually corrode and start seeping out CO2 gas.  For safety reasons, always get tubing and check valves rated for CO2...

When connecting a CO2 regulator to your aquarium, you will need tubing rated for transporting CO2.  Airline tubing will eventually corrode and start seeping out CO2 gas.  For safety reasons, always get tubing and check valves rated for CO2...

The kit comes with the glass bulb equipped with a suction cup for adhering to the inside of the aquarium, and a 15ml bottle of drop checker solution.  Fill the glass bulb with the solution (no dilution necessary) and install it in your aquarium to...