Seachem Glass CO2 Beetle Diffuser 27mm substrate twice a week during the

twice a week during the first 4 weeks after establishing the aquarium

have a look at the Colombo CO2 Reactor or Tropica CO2 Nano System

Can be operated with the Superfish LED Controller (dimming + switching on/off) or a timer

All plants require a source of carbon

Seachem Glass CO2 Beetle Diffuser 27mm substrate twice a week during theFor aquariums 75 190 L (20 50 US gallons) Preferred pollen style diffuser for large aquaria or high growth aquaria Large surface area of diffuser disc ideal for high volumes of CO2 gas The 27mm glass Beetle Diffuser is a pollen style CO2 diffuser that connects to CO2 injection systems to easily disperse CO2 gas to the planted aquarium. The large surface area of the 27mm disc allows for the diffusion of large volumes of CO2 gas, making the 27 mm Beetle