> From: krandall at world_std.com (Karen A Randall) > > CHAIN the tank in an upright position to an immoveable object, > whether it is the aquarium stand or a dedicated fastener on the > wall. Yes, buy all means secure the bottle. But chain sounds so medieval. Velco straps are much easier to work with. Leather straps also have a nice aesthetic appearance ... no, wait, wrong hobby :-) George in Californicated Northern Colorado