A homeowner suffering from buildup in their has turned to the cleaning community group, , to discover the best way to remove it once and for all. is a cleaning community where members share tips and seek advice on issues surrounding their homes.

A concerned homeowner asked, "What's best to get rid of limescale in a toilet? I clean it daily, but I've noticed a build-up in the bottom of the bowl. Thank you." Group members rallied to the comments to share their advice, but one solution popped up more than once: One person said: "Definitely Black Harpic 10x, hardly any scrubbing needed x."

Another said: "Harpic black x10. Remove all the water from the bottom of the toilet first, add Harpic, then leave for at least an hour. Use a non-scratch scourer, but it should come off with minimal effort. Make sure you wear gloves."

Black Harpic, also known as Harpic Professional Power Plus Toilet Cleaner, is said to powerfully tackle limescale, stubborn stains, dirt and buildup. It kills 99.9% of bacteria and viruses for a deep, hygienic clean and is only and

According to Harpic, to use the product, twist open the cap by pressing the sides and turning counter-clockwise. Squeeze the cleaner around the bowl.

Ensure the product reaches under the rim and flows toward "the U-bend." Let it sit for 5 minutes to break down stains and kill germs.

Lightly brush the bowl to remove residue, then flush for a spotless, hygienic finish. Harpic went on to explain, "Hydrochloric acid (the chemical in Harpic Black) breaks down limescale stains that regular cleaning agents struggle to remove.

"Whether it's yellow stains around the rim or grime in the U-bend, the right toilet cleaner acid dissolves these problematic stains, leaving your toilet gleaming.

"Unlike regular cleaners, it works deep to lift away limescale and other stubborn deposits that tend to cling to your toilet over time."

Comparing a natural cleaning method to a chemical solution, Audience reporter Ellen Jenne found that Black Harpic was better than using baking soda and vinegar.

She said: "I don't know whether my proportions were off or the stains were too tough, but the 'holy grail' baking soda and vinegar hack didn't deliver on this occasion. On the other hand, the Black Harpic was much easier to decant, no rummaging in the cupboards needed.

"The results after flushing were like night and day in comparison to the baking soda and vinegar. Nearly all but a small part of the stain had vanished from the bowl. It was just that easy.

"Sometimes it's much easier and efficient to clean with chemical cleaners with specific problems in mind. 'Black Harpic' is the true holy grail for banishing toilet stains."