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 Bio-CO2 Pro Refill Pack includes several pre-measured Activator yeast sachets and Booster tablets to quickly and conveniently kickstart the biological...

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...

Superfish Replacement diffuser disc for Superfish stainless steel diffuser. 31mm to fit 35cm diffuser

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...

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....

Make your own CO2 with 2 components. No more changing pressure bottles! The Colombo CO2 reactor is a complete CO2 set to easily make CO2 yourself using...

Upto 250L The Bio-CO2 Pro system combines the safety of biological carbon dioxide production with the convenience of pressurized delivery. Offering simplicity...

Ista Acrylic CO2 Bubble Counter is for use with CO2 plant fertilization systems on nano and small aquariums. It monitors the volume of CO2 bubbles per...

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...

2 components for the Colombo CO reactor. Package contains 3 sets of component A and B, 200 grams each. With 1 set, approx. 105 grams of CO can be made....

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...

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...

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...

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

CO2 Music Counter is a glass CO2 counter that allows you to measure the amount of injected CO2 by counting CO2 bubbles. Its simple design adds a delightful...

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...

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...

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...

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...