CLR Eco-Friendly Liquid Drain Cleaner, Non-Toxic & Safe for Pipes, People, and Pets, Deodorizing, 42 fl oz in the Drain Cleaners department at Lowes.com
Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, 500ml : Amazon.co.uk: Grocery