Carbon dioxide system keeps aquarium plants healthy and strongProfessional kit includes everything you need for quick and easy setupEasy-to-use CO2 cartridges are easily changed to minimize hasslesSimple-to-use carbon dioxide injector kits feature innovative Turbo diffusers to actively increase CO2 efficiency. Stainless steel regulator valve allows precise control. Standard System includes a disposable, 74-gram CO2 cartridges for hassle-free, professional results. Stainless steel regulator valve allows precise control and the innovative Turbo diffuser actively mixes CO2 with water to increase CO2 efficiency. 74-gram CO2 cartridges last for 260 days at 4 bubbles a minute. Versatile NEW Advanced System can be used to support small or large aquariums with included gauge/regulator for use on conventional CO2 tanks. Includes adaptors for 74-gram and 500-gram canisters. CO2 canisters not included with Advanced System.NRG System Includes: CO2 Valve with Pressure Regulator, Disposable 74 gram CO2 Cartridge, Bubble Counter, 6 ft of Silicone Tubing, Diffuser, Filter Sponge, Support System, and all necessary Connectors, Suction Cups, and Clips.NRG Advanced System Includes: NRG System plus adapters for disposable 74 gram CO2 and 500 gram CO2 canisters. Disposable 74 gramCO2 not included, sold below.Please click on "More Information" for use, assembly, maintenance instructions, and product specifications.

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