Simon,
If I was doing this at home I would deal with FGI and they have a sales outlet in Springvale...in Melb.
FGI - Springvale
1612-1638 Centre Road
Springvale VIC 3171
Tel: (03) 9550 5650
Fax: (03) 9547 5179
Postal: PO Box 40
Clayton South Vic 3169
hope this helps and you are back on the water soon....
Enjy the smell of glass.
David
"Banh Sidhe"