Blocked sinks and slow drains are a common nuisance, and Mr Muscle’s Drain Unblocker Liquid sits in the brand’s household cleaning range as a ready to pour chemical unblocker. It competes with other supermarket drain openers by focusing on convenience, you use the bottle as the dose, rather than measuring out smaller amounts. This pack of five suits homes that get repeat blockages in kitchens or bathrooms, or anyone who wants a spare on hand for emergencies.

Who is this pack best for?

If you only deal with the occasional slow plughole, one bottle may do. A multi pack makes more sense for shared houses, busy family bathrooms, or properties where hair and soap scum build up regularly. Each 500ml bottle is intended to be used as a single treatment, so you can plan your usage without guesswork.

• Pack size: 5 x 500ml bottles, useful if you want multiple full doses ready to go.