ZanRite-L is a high-quality liquid gel strength modifier. Its primary function is to increase gel strength of the drilling fluid, thus suspending the cuttings in the hole for easier removal. It will also increase the fluids viscosity aiding in proper hole cleaning. Add a minimum of 1 Qt ZanRite-L per 250 gallons of fluid. Shipped in 1gallon jugs, 6 jugs to a case.