The norm is one minus, you need to unload and load the balloon into the car yourself, and the balloon is not a fluff (about 40 kg, I may be mistaken) if you thought about improving the service, it would be Good! Well, look at the opening hours, since many small food businesses run on gas, and the start of cooking starts very early, and they work from 9 it seems, there was an experience waiting for 2 hours.
We fill industrial and household cylinders only here. They are refilled by weight, which eliminates refilling of the cylinders. Very nice gas stationers, they will always take the cylinders out of the car themselves and put them back, for which I thank them very much!