Talon drain opener from J.C. Whitlam Mfg. is formulated for use by professional plumbing maintenance personnel in hotels, restaurants, apartment and condominium complexes, nursing homes and schools. The additive opens drains clogged by grease, hair and other organic matter. It opens grease traps and controls root growth, and can be used for monthly maintenance. 800/321-8358; www.joinpipe.com.