i know once it blows then all your gas has gone, i was just looking at alternatives. Eds event (and rogers) were the only times i have known for the valves popping, but precautions could be taken to keep the bottles cool etc.

Again it all comes down to money, within the next few months we would need 3, thats £150, i could buy a new pair of hawkers instead, and as you know, we need all the batteries we can get at the mo!