White wizard is stocked by storeshop.com costing 9.90 dollars
http://www.storeshop.com/white_wizard.html
or + 1 800 + 1 800 482 5382
+44 (0)1483 204468

It is made by LB Roe Corporation who do a range of chemical cleaners and rust removers http://www.whitewizardonline.com