Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack (2 x 500ml) : Amazon.co.uk:
Tesco Sink & Drain Unblocker (500ml) - Compare Prices & Where To Buy - Trolley.co.uk