Max Strength Drain Unblocker 1L – Kitchen and Bathroom Drain Unblocker – Unclogs Pipes and Tackles Slow Running Water : Amazon.co.uk: Grocery
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: