The Red Sea CO2 Bio-System is a complete, efficient system for the production and diffusion of CO2 for aquariums up to 40 gallons.
A bubble counter determines how much gas is going through the airline. It is counted in terms of bubbles per minute (or other period of time). The bubble counter is located between the CO2 regulator and reactor in a CO2 System.
A solenoid valve turns on and off the supply of gas to a CO2 reactor or calcium reactor. When using a pH controller in conjunction with a CO2 reactor, changes in pH will turn the solenoid valve either on or off according to settings.
An aquarium CO2 system is necessary for calcium reactors and for dispensing CO2 into freshwater planted aquariums. Healthy and luxuriant freshwater aquarium plants require the presence of adequate carbon dioxide. The movement of pumped water causes the elimination of carbon dioxide through the water surface. Plants without carbon dioxide turn yellow and lose strength. CO2 systems are the best way to effectively add the required amount of CO2 to a freshwater planted tank.
To have a complete aquarium CO2 system you must have the following: