Insta-Vis Low Viscosity is an easy-mixing, water-soluble polymer used in horizontal and vertical drilling applications, and is certified to NSF/ANSI Standard 60. Add to fresh or saltwater drilling fluids to increase cuttings returns and reduce torque and drag when drilling in reactive clay soils. It eliminates clay and shale swelling, bit balling and sticking problems, and is compatible with drilling fluids recycling equipment. www.cetco.com