Ista Aluminum Co2 Cylinders are ideal for freshwater CO2 plant fertilisation and marine calcium reactor systems. The aluminium alloy compressed gas cylinders enable sufficient CO2 supply for photosynthesis and add a professional, elegant look to an aquarium. They have a special coating to minimise damage from scratches and are available with upward and sideward facing outlets in sizes spanning from 0.5L to 2.0L. This model measures 2L/1.8kg (Face Up).
