Drop checkers are used to monitor the CO2 levels in the aquarium: the pH indicator solution inside the bulb section will change color according to the...

Ista Glass CO2 Diffuser is for dissolving carbon dioxide (CO2) into planted aquariums. Hand made from high-quality glass, this model fits in-line into...

Ada high quality glass c02 diffuser The J Pipe nano diffuser is perfect for nano aquascapes and tanks in which you want to inject CO2 without hindering...

Slanted Diffuser For aquariums up to 75 L (20 US gallons) Low profile design excellent for minimizing the visibility of the diffuser Simple and easy to...

Superfish Professional stainless steel CO Diffuser, perfect for Aquascaping. Length 25 cm, the diffuser should be placed as deep as possible in the aquarium....

Replacement diffuser disc for Superfish stainless steel diffuser. 20mm to fit 25cm diffuser

Inline Diffuser 13 mm Minimizes the visibility of CO2 equipment in the aquarium Ensures maximum dissolution of CO2 in aquarium water Allows for more consistent...

Superfish Professional stainless steel CO Diffuser, perfect for Aquascaping. Length 35 cm, the diffuser should be placed as deep as possible in the aquarium....

The Bio-CO2 Pro system combines the safety of biological carbon dioxide production with the convenience of pressurized delivery. Offering simplicity and...

The pH checker is a glass pH monitor that comes with pH sensitive indicator solution. When submerged in water, this indicator solution changes color according...

Aquario Neo normal type Co2 Diffusor Tiny The Aquario NEO CO2 Diffusor Special Type is an acrylic CO2 Diffusor with a very narrow diffusor body and the...

Dennerle CO2 Set Carbo Bio Start 60 is a bio CO2 fertilisation system for freshwater aquariums. The Carbo Bio Start 60 bio CO2 fertiliser system supplies...

ADA Parts Set (CO2 or O2) A set of accessories (suction cups, silicone tube, check valve) for the installation of glass products for CO2 or O2 distribution....

CO2 is the most important nutrient for plants. Without a CO2 supply, the plants will not thrive. CO2 System Bio is a simple solution that adds extra CO2...

How to use the product The content of this package CO2 System Bio Refill provides additional 60 days of CO2 for aquariums. How to use the product The content...

Dennerle Bio CO2 Depot for freshwater aquariums + 2 x Bio CO2 Depot for at least 40 days each + with CO2 Constant Gel made from 100 % renewable raw materials...

Ista Stainless Check Valve is for use on CO2 systems, stopping the back-flow of water into the other equipment. Compact sized, contains a stainless spring...

Ada high quality c02 diffuser The J Pipe nano diffuser is perfect for nano aquascapes and tanks in which you want to inject CO2 without hindering tubing...

Refilling water that evaporated or just got pushed out of the CO2 bubble counters can be an inconvenience. This high viscosity, non toxic fluid is a perfect...

Ista Glass CO2 Diffuser is for dissolving carbon dioxide (CO2) into planted aquariums. Hand made from high-quality glass, this model fits in-line into...