Slack Chemical is a full-line chemical distributor, serving New York State and the Northeast US with three warehouse distribution centers. Deliveries are made by our experienced, professional drivers using our privately owned fleet of trucks, trailers and tankers. We have experienced sales technicians throughout the Northeast, specializing in water and wastewater treatment for municipalities as well as industry. Free on-site technical service is available for all customers. The only one-call source for every chemical need: disinfection, coagulants, flocculants, pH adjustment, polymers, metals removal. Distributor for pool and spa treatment chemicals and supplies. Distributor for rock salt and ice melt products. Specializing in Food Grade products, packaging, blending.