Description
A 5 kg CO2 Cylinder is the high-capacity “workhorse” for serious aquascapers, large planted tanks, or multi-tank systems. Because of its size, it is often chosen to maximize the time between refills and reduce long-term costs.Product OverviewCapacity: 5 kg of pressurized liquid (CO_{2}).Ideal For: Large aquariums (over 120 cm/4 feet) or setups where multiple tanks are connected to one cylinder via a manifold.Refill Longevity: On a standard 64L (60P) tank, a 5 kg cylinder can last roughly 17 to 20 months. For larger 400L tanks, expect about 3 to 4 months of use.Key SpecificationsDimensions: Typically stands around 60–67 cm tall with a diameter of 15 cm.Weight: Weighs approximately 12 kg when full, requiring a sturdy base or dedicated floor space.Valve Type: Most use a standard W21.8 or CGA-320 valve, making them compatible with professional dual-stage regulators.Durability: Usually made from seamless steel with a powder-coated finish for corrosion resistance.Comparison: 5 kg vs. 3 kgFeature3 kg Cylinder5 kg CylinderSpaceFits in most standard cabinets.Often too tall for cabinets; sits beside the stand.Duration3–6 months (medium tank).6–12+ months (medium tank).EconomyGood value per gram.Best value; fewer trips to the refill shop.
