less than about one weight percent polymer dispersants such as polymers and co polymers of acrylic acid methacrylic acid maleic acid fumaric acid itaconic acid and water soluble salts thereof such as alkali metal ammonium or substituted ammonium salts can optionally be included in the composition suitable polymer dispersants further include those sold under the trade names acusol u00ae 445 polyacrylic acid acusol u00ae 445n polyacrylic acid sodium salt acusol u00ae 460n a maleic acid olefin copolymer sodium salt and acusol u00ae 820 acrylic copolymer sold by rohm and haas company in an embodiment a secondary anionic surfactant is included in the composition suitable secondary anionic surfactants includes those surfactants that contain a long chain hydrocarbon hydrophobic group in their molecular structure and a hydrophilic group i e water solubilizing group including salts such as carboxylate sulfonate sulfate or phosphate groups suitable anionic surfactant salts include sodium potassium calcium magnesium barium iron ammonium and amine salts other suitable secondary anionic surfactants include the alkali metal ammonium and alkanol ammonium salts of organic sulfuric reaction products having in their molecular structure an alkyl or alkaryl group containing from 8 to 22 carbon atoms and a sulfonic or sulfuric acid ester group examples of such anionic surfactants include water soluble salts of alkyl benzene sulfonates having between 8 and 22 carbon atoms in the alkyl group alkyl ether sulfates having between 8 and 22 carbon atoms in the alkyl group other anionic surfactants include polyethoxylated alcohol sulfates such as those sold under the trade name calfoam u00ae 303 pilot chemical company california examples of other anionic surfactants are disclosed in u s.