Copper Patina for pewter. Can be used in combination with pewter patina and gives a copper colour to pewter. Deep blue liquid that contains copper sulphate and mineral acid. HARMFUL when swallowed
A small quantity goes a long way. It is a blue liquid that turns pewter black when applied. Available in 50ml. NB Patina contains nitric acid and selenium compounds. It is poisonous and vapour is harmful. Always wear gloves and work in a well ventilated room!