| SCR... all the disadvantages and risks of a CCR (and more) with none of the advantages. If you want to make OC diving more complicated then a SCR is the way forward.
I wouldn't waste money on a SCR unless you can get one very cheap.
__________________ "I hate to advocate drugs, alcohol, violence or insanity to anyone, but they've always worked for me" Hunter S Thompson http://www.snp.org |