DYMAX CO2 Nano DiffuserDymax Nano CO2 Diffuser, the first innovated design for mini plant aquarium to obtain optimum diffusion of CO2 without any wastage. This diffuser works on the spinning action from the flow of water into the reacting chamber together with the CO2 gas, which creates a vortex style mix and then collides with the bio balls in order to obtain maximum efficiency of the diffusion. Assists in ensuring CO2 lasts longer, as the CO2 is dissolved faster into your