Gtechniq G-Wash has been specifically formulated to work in harmony with Gtechniq's range of coating products, such as C1, Exov2 & Crystal Serum Light. Gtechniq G-Wash produces a high foam content which both breaks the bond between the dirt particles and your vehicle’s paintwork and lubricates particles thereby enabling the safest possible removal of traffic film, G-Wash will ensure maximum gloss retention through reduced micro scratching during the wash process. For light dirt use 2 caps per bucket and 4 caps for heavy dirt.