Biox Conservation Liquid is a biological oxide and corrosion remover. Completely harmless to man, containing no strong acids or alkalis. For rust, tarnish and verdigris removall on iron, copper, brass and aluminium. Biox may be used repeatedly until exhausted, with the rate of activity increased by warming the Biox solution. After oxide removal the treated article should be protected using a suitable sealant, wax or polish.