If you have a blocked sink in Up Hatherley, Gloucestershire then there are several ways to tackle it. Firstly try using a plunger over the plughole of your sink and see if that clears the blockage. If this doesn't work then use boiling water poured directly into the basin which can help break down any debris causing the clog make sure all pets or children aren't about at this time! You may need to repeat these methods two or three times for them to be successful before moving on more drastic remedies such as trying with natural cleaning solutions like vinegar and bicarbonate of soda (salt). These will often do wonders when removing particularly thick build-ups from drain pipes further down inside after struggling unsuccessfully against sunken blockages Try also sticking an old bottle fabricated divider straight out original pipe joints - gently pull until something is felt between both vessels indicating hard deposits Before attempting extreme measures, one should always check another technique not previously used; A good way would be by making a simple wire bend closely formed enough, so it grabs substances caught up within drains running deeper underground Downloading essential equipment known commonly as drain snakes" could well prove handy here due In order finally succeed get most back flow problems seek advice specialist drainage company