Plants supply the aquarium with vital oxygen for the aquarium inhabitants, prevent algae growth, remove pollutants, provide hiding places and reduce pathogens. The JBL plant fertilizer system supplies the plants with the main nutrient CO2 via water. The plants absorb this through their leaves. The system is completely ready for connection. Screw the pressure reducer onto the CO2 storage bottle. Connect the pressure reducer to the diffuser in the aquarium using a hose. CO2 enters the aquarium and is dissolved in the water with the help of the diffuser. The CO2 supply can be interrupted at night using an intermediate solenoid valve (not included). The storage bottle is TÜV tested and has an overpressure safety device. No water can enter the bottle through the check valve. The range of a CO