Description
A 3 kg Refurbished CO2 Cylinder is an excellent, cost-effective choice for aquarists running high-tech planted tanks. These are typically industrial or beverage-grade steel/aluminum tanks that have been professionally inspected and re-certified for safety.Product FeaturesCapacity: 3 kg of liquid (CO_{2}), which typically lasts 6 to 10 months on a standard 30-gallon (120L) tank, depending on the bubble rate.Material: Most refurbished units are made of high-strength seamless steel or aluminum.Standard Valve: Usually fitted with a standard CGA-320 valve (North America) or W21.8 (Europe/Asia), making it compatible with most aquarium (CO_{2}) regulators.Professional Refurbishment: Includes a fresh coat of paint, a new or serviced valve, and, most importantly, a recent Hydrostatic Test to ensure the tank can safely hold high pressure.Benefits for Your AquariumMassive Cost Savings: Refurbished tanks are significantly cheaper than brand-new “aquarium branded” cylinders while performing exactly the same.Stable Carbon Source: Provides a consistent flow of (CO_{2}) to promote lush plant growth and prevent algae like Black Brush Algae (BBA).Easy Refills: Because they are standard cylinders, they can be easily swapped or refilled at local fire safety shops, welding gas suppliers, or homebrew stores.Critical Safety ChecklistCheck the Hydro Date: Look for a stamped date on the neck of the bottle. Tanks must be hydro-tested every 5 or 10 years (depending on local laws) to be legally refilled.Upright Position: Always keep the cylinder upright during use to prevent liquid (CO_{2}) from entering your regulator and damaging it.Secure the Tank: 3 kg tanks are heavy and narrow; use a stand or strap to ensure it doesn’t tip over.



