Often cited as one of the best for toilets, its bellows design pushes a massive 1.5 liters of water/air with each plunge to dislodge deep clogs.
If you prefer a liquid solution for organic buildup (like hair or waste), look for these high-rated brands at B&Q: How to unblock a toilet at B&Q b and q toilet unblocker
For severe clogs where chemicals might become too diluted to work, mechanical force is often required. How to unblock a toilet at B&Q Often cited as one of the best for
For more stubborn blockages, B&Q sells manual drain cleaning tools. These are often plastic rods or flexible "snakes" with a hook or auger on the end. b and q toilet unblocker