Originally Posted by cdhayes2
Lower pressure will also provide less wear and tear on the input pressure reg do to it regulating only 450~ psi compared to 850~.
So far according to simon, there has been absolutely no difference in wear between HP and LP.
However with LP, you will be able to use your tank until it hits ~450 before it starts to drop off, rather than 850. Not to mention it will be much easier to remove from your ASA