Eliminates Mineral Stains and Coloration SPA STAIN OUT is a sequestrant that is mainly used to remove stains caused by metals such as manganese, iron and copper from all types of spa coatings. SPA STAIN OUT also helps to correct water coloured by these metals. Benefits Removes metal stains from all types of spa coatings Corrects coloured water due to manganese, iron or copper from any water sources Phosphate-free
