Have you found anything really cool to do with old SCUBA tanks?

Question

I had thought about using old SCUBA tanks and adding a light where the valve was located. Taking the tank with light adding a green filter to one tank, and a red to the other. Place them in the ground one on each side of my driveway. Red light returning.

Answer 1

You could easy make a cool indoor Scuba diving realated lamp :) i rember seeing a Scuba tank mailbox on the internet. Not sure how it was made. But it look ed collections. And I bet nobody doubted that a Scuba diver lived there.

Answer 2

I use a tank to clean my garage...we sit on shop stools and race using jet power!!!

Answer 3

Turn them into bells.