Helium Tanks Hazardous Waste Never Dispose of Curbside Helium tanks are hazardous waste because they contain flammable gas. Never dispose of them at the curb. Dispose of as hazardous waste instead. Keep Away From Heat A helium tank is pressurized and may explode if heated, so keep it away from heat and out of direct sunlight in a well-ventilated area. Do Not Breathe the Gas Breathing in helium can prevent your body from receiving oxygen, causing quick suffocation. Recycle With Scrap Metal Some scrap metal recyclers accept empty helium tanks. Find out how to dispose of scrap metal. Follow Balloon Time’s instructions to prepare Balloon Time tanks for scrap metal recycling. Follow general instructions to prepare other brands of tanks for recycling. Ways to Reduce Buy Helium Balloons at the Store Most party stores have refillable helium tanks onsite to fill party balloons. Skip the hassle of filling your own balloons and have them filled for you at the store. Rent a Reusable Helium Tank If you’re planning on filling a lot of balloons, it’s cheaper and more convenient to rent a reusable helium tank. It also reduces waste when compared to buying a disposable one. Ways to Reuse Helium Tank Decor Empty helium tanks are durable and easy to paint and repurpose into home and lawn decor. Check out this Pinterest board for ideas.