Prochem S777 Crystal Green 4kg is a highly economical powder detergent for use in carpet extraction machines. Specially formulated with non-ionic surfactants and produces spectacular results on tough, oily and greasy soils. Ideal for use on commercial carpeted areas prone to grease and food stains such as bars, pubs and restaurants but equally effective as a general purpose extraction cleaner for moderately dirty carpets. For best results on high traffic areas and ingrained dirt pre treat with a high alkaline prespray such as S709 Multi Pro or S710 Trafficlean.