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What's the best product to unblock your kitchen sink?
A blocked kitchen sink is a common and frustrating problem that can often be resolved effectively by using the correct unblocker. The type of product you choose should depend on the type of blockage, such as grease, food debris or soap build-up. HG offers a range of specialist products designed to tackle different types of blockages safely and effectively. These include HG drain and plug unblocker (1L), HG duo unblocker and HG drain and plug unblocker gel.
Household methods such as using a plunger or a mixture of bicarbonate of soda and vinegar are sometimes suggested. However, these solutions are not always effective for more serious blockages and may even damage your pipework if used incorrectly. For the best and most reliable results, we recommend using a professional unblocker that is specifically designed for the type of blockage present.
HG solutions for unblocking your kitchen sink
HG offers several products that are specifically designed to deal with kitchen sink blockages:
- The HG kitchen drain and plug unblocker is specially developed for stubborn kitchen blockages caused by grease and food debris. It works using natural enzymes and is completely safe for all types of pipework.
- For situations where a splash-free solution is required, the HG drain and plug unblocker gel is ideal. It sinks directly to the blockage and begins dissolving it immediately, even when there is standing water present.
Always follow the product instructions carefully. For more stubborn blockages, allowing the product to work for a longer period (for example overnight) can improve effectiveness before rinsing thoroughly with water.
General solutions for a blocked kitchen sink
Alongside specialist products, there are general methods that can be used for lighter blockages:
- Use a plunger to dislodge the blockage by creating pressure in the drain
- Pour hot water mixed with washing-up liquid down the drain and allow it to work before flushing with more hot water
Whilst these methods can be useful for minor blockages, they are not always effective for more serious issues. If these approaches do not resolve the problem, it is advisable to use a professional unblocker or seek assistance from a plumber.
Causes of a blocked kitchen sink and how to prevent it
Blocked kitchen sinks are typically caused by everyday use and improper disposal of waste. Common causes include:
- Build-up of grease, oil and food debris in the pipes
- Small objects accidentally entering the drain
- Old or damaged pipework that restricts water flow
To prevent blockages in the future:
- Use a strainer to catch food particles
- Avoid pouring grease or oil down the sink
- Flush the drain regularly with hot water
- Use preventative maintenance products such as HG drain cleaner sticks to prevent build-up of grease and dirt
By taking these preventative steps and using the correct products when needed, you can significantly reduce the likelihood of future blockages. Regular maintenance and proper disposal practices will help keep your kitchen sink functioning smoothly. Should persistent problems occur despite these measures, professional assistance may be required to address underlying issues with your plumbing system.

















