We are just starting to expand our small business towards the balloons fun and we are not experts. We bought a helium tank, used it and left our home. When we came back the valve had exploded. We called them and they said this was very strange but that they were going to try and help us. They ended up giving us another tank and valve because the other one might have been damaged. They just gained a new loyal customer! Thank you Ballons'N More! read more