Mr Muscle Drain Unblocker, Sink & Drain Cleaner. ... Instead, this gadget uses compressed air to blast away dirt, grease and other kinds of build-up - just pump and pull the trigger.

The Tesco drain unblocker was a solid performer. The Tesco solution worked quickly, clearing a blocked sink in just 15 minutes. For tougher blockages, you could leave it overnight.

When using, ensure the rubber forms a seal over the drain, pump it up and down vigorously, then quickly release to see if the water drains. If not, try repeating a few times. Drain unblocker When we ...