Nickel sulfate hexahydrate is a hydrate that is the hexahydrate of nickel sulfate. Nickel sulphate hexahydrate is available as odourless, blue-green crystals.
Nickel (II) sulphate hexahydrate, is the inorganic compound with the formulaNiSO4.6H2O. This highly soluble blue green coloured salt is a common source of the Ni2+ ion for electroplating.