This is a biological
oxide/corrosion remover, completely harmless to humans, which contains
neither acids nor alkalis. It is used for rust, tarnish and verdigris removal
on iron, copper, brass, and aluminum. Biox Liquid may be used repeatedly
until exhausted. Increase the rate of activity by warming the solution. After
oxide removal, the treated article needs to be protected using a suitable
sealant, wax, or polish. Its pH is 2.2.