The Bloo New Toilet Blocks are a pack of 16 concentrated cistern blocks designed specifically for removing limescale from toilets. These long-lasting tablet blocks not only effectively remove limescale build-up but also help prevent future accumulation, making them a convenient and efficient solution for keeping your toilet in top condition. The original blue scent adds a pleasant aroma to your bathroom while the concentrated formula ensures a powerful cleaning action. Made in China, these toilet limescale remover blocks are a must-have for any home looking to maintain a clean and hygienic toilet.