A professional CO2 set that provides all the components required for a highly efficient planted aquarium set-up. Includes: * TMC CO2 One use CO2 cylinder 95g – disposable cylinder which provides a convenient and hassle-free supply of CO2 allowing the immediate installation and use of the CO2 kit. * TMC CO2 One Use Cylinder Stand – Moulded stand designed specifically to ensure that the one use disposable CO2 cylinder is kept vertically upright and secure whilst in use. * TMC CO2 Pressure Regulator Nano – High precision nano CO2 pressure regulator designed specifically for aquarium use. * AquaGro CO2 diffuser – High quality diffuser which ensures the efficient and effective diffusion of CO2 within the aquarium. * AquaGro CO2 Bubble Counter – Good quality bubble counter which provides a simple and reliable visual indication of the amount of CO2 being dosed to the CO2 diffuser and allows for accurate CO2 dosing. * Non Return Valve – Effective valve which is used to prevent water from flowing back from the aquarium into the CO2 supply. * Dosing Pipette – Compact pipette which allows the bubble counter to be easily filled with water. * AquaGro Flexible Tubing – 4/6mm in diameter and 2 metres long.