Natural Source of carbon Dioxide Optimum efficiency Capacity for approx 1 month Suitable for all aquariums upto 200 litres An affordable entry point for CO2 technology...

Refill reagents for the reaction container of Dupla CO2 Set Omega.

Digital Ph Controller. For permanent control and regulation of the pH value in fresh and saltwater aquariums. By exact dosing of C02 the controller ensures a stable pH value in...

 PH Controller Replacement Electrode suits most makes and models Measuring Range 0 - 14 pH Temperature Range ...

Extra large, non-corrosive, aluminium CO2 bottle with practical carrying handle.

For larger aquariums with over 400 litres water capacity. Adjustable, high diffusion capacity. Supplied with wall fixing and mini cascades.

Suitable for aquariums up to 400 litres (110 gallons). Optimum adaptability due to variable-capacity diffusion space.

CO2 atomizer for aquariums up to 200 litres. Atomizes CO2 gas into the finest of bubbles using porous, fritted glass. With integrated Dupla safety valve.

For visual inspection of CO2 supply. With integrated safety valve. Simple installation above or below the aquarium. Supplied with wall mounting bracket.

Continuous, qualitative CO2 measurement in fresh water. Easy-to-use, easy-to-read. Registered patent.

3-way valve for precise regulation of water flow Multiple adaptors included Perfect for C02 / Nitrate filters/ Reactors

Dupla C02 safe silicone tubing 3mm x 1.5m

Non-return valve for CO2 hoses and air hoses. Prevents water flowing back into the CO2 reservoir. 100% C02 safe.

Professional CO2 system for aquariums up to 400 litres. Supplied without CO2 bottle. Contents: Dupla CO2 Delta Regulator, Dupla CO2 400 reactor, Dupla CO2 continuous test, Dupla safety valve, Dupla...

Professional CO2 system for aquariums up to 200 litres. Supplied without CO2 bottle. Contents: Dupla CO2 Delta regulator, Dupla CO2 atomizer, Dupla CO2 continuous test, Dupla safety valve, Dupla filter...

Features high and low pressure gauges with working low pressure being factory preset to 1 bar. Precise and easy adjustment is provided by a fine needle valve. Made In Germany

Deluxe Dual gauged CO2 regulator assembly includes solenoid and fine adjust needle control. CO2 Deluxe Regulator System: Perfect for calcium reactor and Freshwater Plant CO2 injection applications -...