CO2

Clear acrylic makes this diffuser blend into the background.  The ceramic membrane is replaceable, so the durable acrylic diffuser can be refreshed without replacing the entire unit.  Upon...

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...

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...

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...

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...

This CO2 accessory allows you to safely attach a full-size CO2 regulator to a smaller soda stream CO2 canister.  The adapter is made with materials that will not corrode with exposure to CO2, has an...

This CO2 accessory allows you to safely attach a full-size CO2 regulator to a smaller paintball CO2 canister.  The adapter is made with materials that will not corrode with exposure to CO2, has an...

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...

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...

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...

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...

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...