Alken-Murray, Innovative Pollution Solutions since 1934, Integrated creative solutions to a wide range of pollution problems, using bioremediation, demulsifiers, fuel additives, polymers and miscellaneous chemicals. From probiotics to keep fish, shrimp and prawns healthy with clean water to aquatic restoration, biodredging of lakes, rivers and ponds. Odor control solutions, especially hydrogen sulfide and ammonia, from landfills to lakes, ponds and pet accidents. Food fats and grease treatments, petroleum remediation. Lots of educational articles link.