JBL ProFlora m502

 Plant fertiliser system with refillable cylinder and night switch-off.Key Features:• CO2 fertiliser system for the best feeding of fast and slow growing plants in freshwater aquariums up to 600L.• Assemble system, attach diffuser in the aquarium and adjust CO2 supply until the permanent test indicates the ideal value.• Professional water care with night switch-off: precise dosing thanks to pressure reducer, even release, effective distribution due to extendable diffuser, best control due to bubble counter, CO2/pH test, residual pressure display on pressure gauge.• Refillable cylinder with overpressure relief, TÜV tested. Stand ensures cylinder does not fall over. Hose screw connection prevents hose from slipping, check valve prevents water entering the cylinder.