Thanks all. As a retired Chemistry teacher I've learned to check first, then add. Well, the "elephant toothpaste" demo was "Hey, can't get tooooo many nice hydrogen filled bubbles, can you!"
Mike
Thanks all. As a retired Chemistry teacher I've learned to check first, then add. Well, the "elephant toothpaste" demo was "Hey, can't get tooooo many nice hydrogen filled bubbles, can you!"
Mike