Available on Kazidomi, save up to 50% and free delivery. Kazidomi citric acid removes limescale deposits on taps, showerheads, sinks, and toilets. It is also effective for cleaning household appliances. Our homemade toilet descaler recipe: mix 3-4 tablespoons of citric acid and one tablespoon of baking soda (optional) in a container, pour boiling water over the mixture, and pour it into the toilet. Leave for a few hours or overnight, then scrub the toilet walls with a brush. Rinse. Cruelty-free. No essential oils. B-Corp certified. Female founder. Family-owned business. Belgian company. Citric acid (>99.8%). Do not use on marble, stone, enamel, and aluminum. Before use, test on an inconspicuous area. Store only in the original container, away from heat and moisture.