Exploding Balloons filled with Propane Gas. Drones, Steel wool, and Underwater explosions!

I thought it would be fun to film propane balloons exploding in slow motion, and I tried popping them a bunch of different ways. I took some user suggestions like flying a drone with a sparkler attached into a balloon, and filling a balloon with a explosive mixture of propane and oxygen and detonating it underwater. I also thew spears at the balloons and hit them with steel wool. I did not directly handle any of the balloons filled with gas, instead I safely filled them from the propane tank with a 10’ hos