Hi Bruce,
Did you try Chulia Street?
On Mon, 14 Apr 2008 19:30:38 +0700, Bruce in Bangkok
wrote:

The last time I was in Penang and talked to a chemical shop there the
owner said "I'll keep selling TBT as long as the Malaysian Navy uses
TBT based anti fouling".. So you are probably correct. unfortunately I
can't buy it.




Bruce-in-Bangkok
(correct email address for reply)