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
what temperature do you consider cold divingScottZeagle:If you are not going to be diving in cold water, the Deluxe should suit you just fine.
Enjoy!!
oscar_2424:what temperature do you consider cold diving
ScottZeagle:If you are diving water under 40 degrees F, you should look at the sealed units.
I use ZX DS-IV, and I have been very happy. I have been in water temperatures down to 32 with out a free flow. If you want to upgrade you won't be disappointed.michindi:Im thinking about up grading my regulator and I was wondering if the ZX DS-IV is better then the Envoy Deluxe? Is the ZX DS-IV a newer model? TIA