Pour in another kettleful of boiling water to thoroughly flush and clean the drain. Washing powder can also be an “effective” sink unblocker, according to the professionals. They advise ...

Lee Waring, plumbing expert at HomeHow.co.uk, has shared how to unblock sinks without the need for a plunger, which is likely to be effective in under 30 minutes ...

"In most cases, you can find out how to unblock a sink yourself using ... is to pour two tablespoons of biological washing powder down the drain, followed by hot water. Depending on how severe ...