Bison Instant Toilet Cleaner is a powerful, fast-acting formula designed to make toilet cleaning easy and efficient. Bison's unique blend of enzymes and cleaning agents dissolves tough stains, mineral deposits, and organic matter in seconds, leaving your toilet bowl sparkling clean and hygienic. My Instant toilet cleaner with its newly proved formula that works on stain, germ and bad odour. The double thick consistency ensures that it spreads across the entire toilet effectively and efficiently.