Hi Andy,
First post? Welcome to Ribnet.
Bad luck about your tubes - there is a wealth of information on this site about repairs, and enough sad tales to indicate that tubes are not an infrequent problem.
I've currently got a deflated tube - perhaps a sob story for a later time.
It shouldn't happen, but there are design, manufacturing and maintenance faults that can all contribute to problems. (I'm sure mine is a design issue!) As far as I'm aware, among recreational ribs, only zodiac have a removable system - and that is patented which is maybe why others don't follow.
Anyway, best to search the previous posts and post pictures of your problem if you want specific advice. Read anything by Mr Luxton if you need to feel better about it!
