Aurall 292 Strike Pure gold strike operates at pH 4.5 suitable when used with Aurall 292, Aurall 292HS and Auro Dure series no rinsing is required. Aurall 292C Strike Universal pure gold strike (pH 3.7) can be used with Aurall and Auro Dure series as well as Decronal and Ronovel series, however a double rinse step is recommended between gold strike and gold plate. Ronovel CM Strike Cobalt alloyed gold strike (pH 3.8), when used with Auronal MRC, Ronovel C, Ronovel CM, Ronovel CM-97 and Ronovel CM 388 no rinsing is required. Ronovel N Strike Nickel alloyed gold strike (pH 4.0), when used with Auronal MRN,Ronovel N and Ronovel XP-4332 no rinsing is required. Auro Strike SAG Very acidic cobalt alloyed strike operating at pH >1, SAG Replenisher contains the appropriate gold. Auro Strike SAS Very acidic cobalt alloyed gold strike operating at pH >1, component system that utilises potassium gold (lll) cyanide. Auro Strike SS Acidic strike that operates at pH 2.0 but utilises potassium gold (l) cyanide.