Posted by Jusfer on December 03, 1999 at 20:50:03:
In Reply to: Re: + rating posted by Whaledale on December 03, 1999 at 07:21:01:
I would either call all dive shops and ask them that question or contact the hydro facilities directly (look for fire extinguisher service stations--they do hydros).
I dive two HP100, no + rating there ;-)
Jus