"QUICK DISSOLVING WHITE FLAKE, BEAD OR GRANULAT SOURS DESIGNED TO GIVE COMPLETE NEUTALIZATION OF THE WASHLOAD, AND WATER ALKALINITY, AND TO REMOVE RUST STAINS AND PREVENT DISCOLORATION OF FABRICS; THE SOUR IS TO BE ADDED MANULLY TO THE WASH WHEEL OR TO THE SUPPLY COMPARTMENT OF AN AUTOMATIC FEEDING DEVICE; THE SOUR CONSISTS OF WETTING AGENTS, SODIUM SILICOFLUDORIDE, AND/OR SODIUM BIFLUORIDE; THE MINIMUM AMOUNT OF THE SUM OF FLUORIDE SALTS IS 85.0 PERCENT; PH NOT GREATER THAN 3.6, NEUTRALIZATION CAPACITY OF 600, WITH NOT MORE 5 PERCENT MATTER INSOLUABLE IN WATER"