Add Alacsan to water and heat to 65 C. Add Siponic C-20 with sufficient moderate agitation to produce a uniform dispersion. Discontinue heating. Add remaining ingredients including previously prepared Natrosol solution at room temperature singly with sufficient agitation to provide a uniform mixture before making next addition. Note: The viscosity of the product may be increased by increasing the Siponic C-20 or Natrosol Concentration. Physical Properties: Appearance---Blue opaque liquid Visc. (@ 25 C)---3000 cps pH---5.6 Solids---6.86%