Additions should be made in the indicated order. The ammonium sulfamate solution in particular should be added carefully in small increments. At this high level of salt, "Cellosize" QP-4400 has been found to be the preferred thickener. Final pH of the composition is 8.5 and the initial viscosity is 3310 cps. (Brookfield LVF Viscometer#2 spindle, 30 rpm.)