In article ,
"Mo" writes:
this looks interesting

Just look at the size of that bbq in the top left picture!

http://www.komar.org/bbq/mm/convert/leak-test/

reliable? worth doing i guess just to be safe..

Yes, but I suggest going along to your local plumbers merchant
and buying a can of gas leak detector spray. It works so much
better than washing up liquid and it doesn't leave any nasty
corrosive residue behind afterwards.

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]