WS3 - a King British formulation for white spot cure.
Active ingredients:
996.8 g/L Formalin (that's pretty close to the other one at 1031 g/L)
3.2 g/L Malachite Green.
What about this one??????
Adrian.
Adrian R. Tappin
"Home of the Rainbowfish"
http://www.ecn.net.au/~atappin/home.htm