Decdeal Aquarium CO2 Generator System Kit Carbon Dioxide Reactor Kit with Pressure Gauge Air Flow Adjustment Vavle Bubble Counter for Plants Aquarium 2L

$71.99

Professional CO2 generator system with stainless steel bottle, better than simple plastic bottle generators. It is more reliable, steady, durable and efficient. Safety valve will open automatically when the pressure over the safe pressure. Bubble counter with check valve: Flow-rate of CO2 gas indication device and prevent water flow back into the regulator. Large amount of CO2 may cause fish dead. It is recommended to reduce the CO2 volume at the beginning, 1 or 2 bubbles per second. One time's reaction can last for 3 to 4 weeks using.