EHEIM CO2 complete set – refillable system with a reusable bottle for aquariums up to 400 litres.This complete CO2 set supplies your aquarium with the exact amount of carbon dioxide needed to provide one of the most important nutrients to your plants.  Precise CO2 dosing is combined with continuous monitoring and maximum safety.The set comes complete with all of the essential accessories and can be set up in a few simple steps for immediate use.  When the bottle is empty, you can have it refilled by your specialist retailer or an appropriate CO2 refilling station. A spare reserve bottle is also recommended (see accessories).EHEIM CO2SET400CO2 fertiliser system – a complete set for aquariums up to 400 litres Including all essential accessories: CO2 reusable bottle (500 g) with stand CO2 precision pressure reducer with manometers for reusable systems and a precision dosing valvel Hose connection rotates 360° CO² special safety hose, pressure resistant, 3m, ø 4/6 mm CO² safety diffuser up to 400 l including bubble counter and non-return valve for effective CO² dosing. CO² long-term test and indicator reagent for constant monitoring of the CO² content in the aquarium 5 x water test strips for analysis of the initial water values Bottle with standardised connection for refilling (at the specialist dealer or at an appropriate CO² refilling station) Safe and tool free installation Incl.: CO2 magnetic valve (night shut-off) Made in Germany 3 year guarantee

EHEIM CO2 complete set – refillable system with a reusable bottle for aquariums up to 600 litres This complete CO2 set supplies your aquarium with the exact amount of carbon dioxide needed to provide one of the most important nutrients to your plants. Precise CO2 dosing is combined with continuous monitoring and maximum safety.The set comes complete with all of the essential accessories and can be set up in a few simple steps for immediate use.  When the bottle is empty, you can have it refilled by your specialist retailer or an appropriate CO2 refilling station. A spare reserve bottle is also recommended (see accessories).EHEIM CO2SET600CO2 fertiliser system - a complete set for aquariums up to 600 litres Including all essential accessories: CO2 reusable bottle (2000 g) with stand CO2 Precision pressure reducer with manometers for reusable systems and a precision dosing valve Hose connection rotates 360° CO² special safety hose, pressure resistant, 3m, ø 4/6 mm CO² safety diffuser up to 600 litres including bubble counter and non-return valve for effective CO² dosing CO² long-term test and indicator reagent for constant monitoring of the CO² content in the aquarium 5 x water test strips for analysis of the initial water values Bottle with standardised connection for refilling (at the specialist dealer or at an appropriate CO² refilling station) Safe and tool free installation Incl.: CO2 magnetic valve (night shut-off) Made in Germany 3 year guarantee