19.05.2011 Abundant plant growth in your aquarium Optimal CO2 levels in the water are a precondition for abundantly growing plants. The CO2 fertilization system by sera provides safety for aquarists. It is suitable for aquariums up to 300 liters. Due to the pressure diffuser and the sera flore CO2 pressure reducer, the correct fertilizer amount is evenly supplied from a 500 g CO2 pressure gas bottle. The high quality sera CO2 pressure diffuser with integrated bubble counter ensures a high CO2 dissolving rate. The kit includes a 500 g pressure gas bottle, an adapter for the CO2 bottles for single use, a CO2 long-term indicator, five meters of connecting hose as well as the sera fertilizers florena and flore daydrops.