DWB? calling all chemists!

[christhebrewer]

I'm running out of DWB liquor treatment and delivery from England is, as usual, a bit of a rip off. This is probably a mix of easily available chemicals. Any of you clever guys know what goes into it so we could make up a batch?
http://charlesfaram.co.uk/Portals/0/Docs/Murphys/tech_dwb.pdf

[DEMPSEY]

Have you not tried DLS (dry liquor salts). basically the same and you can get it from the Irish Homebrew company's.
Breakdown of DLS
0.95 G/L of DLS adds
172 ppm Calcium Ca
5.2 ppm  Magnesium Mg
71.5 ppm Sodium Na
169 ppm Chloride Cl
353 ppm Sulphate So4

Sodium Chloride      19%
Calcium Chloride      13%
Calcium Sulphate     62%
Magnesium Sulphate 5%