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...

Ista CO2 Premium Pack is a complete set of CO2 accessories to fit Ista (Face Side) aluminium CO2 cylinders (not included). It contains a CO2 controller,...

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...

Spiral Bubble Counting Diffuser For aquariums up to 75 L-190 L (20-50 US gallons) Large surface area of diffuser disc ideal for high volumes of CO2 gas...

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....

Bubble Counter Monitor rate of CO2 injection Minimizes the visibility of CO2 equipment in the aquarium Suitable for all aquarium sizes Simple and easy...

The 17 mm glass Inline Diffuser is a pollen style inline CO2 diffuser that is placed in the outflow line of the filter or aquarium pump to efficiently...

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...

Beetle Diffuser 30 mm For aquariums 75-190 L (20-50 US gallons) Preferred pollen-style diffuser for large aquaria or high-growth aquaria Large surface...

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...

Ista CO2 Indicator Solution is the replacement liquid for the Ista CO2 Indicators. It is made with a unique formula that assures accurate CO2 reading....

Carbo Bio Style 120 by Dennerle is a CO2 fertilisation system for freshwater aquariums up to 120 litres. It is easy to set up, starts CO2 production within...

Refil for carbo bio style 120 Dennerle Bio CO2-Depot for freshwater aquariums. + Bio CO2-Depot for at least 40 days each. + with CO2-Constant Gel made...

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...

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...

Dennerle CO2 Set Carbo Bio Start 80 is a bio CO2 fertilisation system for freshwater aquariums. The Carbo Bio Start 80 bio CO2 fertiliser system supplies...

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...

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...

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...