Let us know what you decide...always interested in hearing the results of searches for tanks and sizing issues.
Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.
Benefits of registering include
The newer 3442psi worthington's are slightly heavier (about a pound more negative each). They trim out the same. The older 7/8" valve 3500psi tanks are fine except: 1) they are a bear to tumble through the tiny neck 2) the genesis manifolds almost all have a funky angled outlet which creates suboptimal hose routing.