The CO2 regulator allows you to adjust the amount of CO2 accurately and safely initially The bubble counter with thickened acrylic tube has improved corrosion resistance and longer service life, and the plants can be optimally supplied with CO2 and grow beautiful On the 2 displays you can read the parameters and make sure if they are as you want Made of high quality aluminum alloy. The simple design not only makes installation easier, but also beautifies your aquarium The CO2 controller can be used with our wall timer for an automatic time delay
