Description CO2 fertiliser system with automatic pH control for the best feeding of fast and slow growing plants in freshwater aquariums from 100 to 600 l Easy and efficient to use: refillable 500 g cylinder. Simple assembly, no separate water pump required. Can be converted into disposable system Professional water care, automatic control: precise dosing thanks to pressure reducer, even release, effective distribution due to extendable diffuser, check: bubble counter with backflow stop. Residual pressure display on pressure gauge TÜV tested storage cylinder, pressure cylinder with overpressure relief, stand ensures cylinder does not fall over. Hose screw connection prevents hose from slipping, check valve prevents water entering the cylinder Package contents: refillable 500 g CO2 cylinder, stand, pressure reducer, pH controller (pH sensor not included), temperature sensor, diffuser, bubble counter, 3 m hose, backflow stop, 2x 100 ml liquid fertiliser, 1x daily fertiliser
