·Comply with the ANSI/NSF Standard 60 standard; ·Effectively applied to the DOW Chemical Companys Filmtec®membranes & the Nitto Denko companys RO membranes; ·Compatible with organic flocculants and ST ·Suitable for water with high hardness, high alkaline. Effectively control the deposition of carbonate, sulfate,calcium fluoride & dispersed metal oxide on the surface of the membrane.LSI in the concentrated water is up to 2.78 without scale formation. ·pH range: 5.0-9.0