Saim Nano CO2 Diffuser Glass Reactor for Aquarium Live Plants Compatible for Co2 tank.Excellent CO2 dissolve rate. Watch your plants grow and thrive with our super effective CO2 Glass Diffusers Improve the growth & health of your plants with sufficient Co2 supply! Atomic pores on the ceramic disc breaks down Carbon dioxide gas into tiny streams of bubbles With high surface area to volume ratio, Co2 can easily dissolve in the water