This listing is ONE 50 lb bag of Haliburton Barafos thinner and dispersant for water-based drilling fluids.   Material is unused surplus. Also known as tri-poly phosphate or WEll Salt From Baroid spec sheet, it is referred to as a modified polyphosphate , non-glassy .
Thins the mud & disperses clay particles so they can be removed during well development

• Specific gravity : 1.5
• pH (2% solution) 7.4
• Use 10-20 lbs in 100 gals water, jet and surge this solution through the screen and gravel pack during well development.