Removes rust, limescale, and tough stains naturally and without toxins. Sorrel Salt is a powerful plant-based stain remover and descaler. Ideal for cleaning and restoring surfaces stained by rust, lime, or mold, without damaging materials or using harsh products. Removes rust from fabrics, tools, metals, or wood. Brightens and whitens natural surfaces like marble, stone, and ceramic. Restores color to furniture, countertops, or aged wood. Descale mold and limescale in bathrooms and kitchens. 100% plant-based, without perfumes or additives. Plastic-free packaging, recyclable and safe. Clothing: Dissolve 1-2 tablespoons in hot water and let the garment soak to remove rust, wine, coffee, or tea stains. Natural surfaces (marble, stone, wood): Prepare a 5-10% solution, apply with sponge or brush, and rinse. Tools / rusted metals: Soak in a 10% solution for 15-30 minutes, rub and dry thoroughly. Restoration of old wood: Apply the mixture, let it act, and rinse with clean water. Bathrooms and kitchens: Apply on limescale or mold stains, let act, and rinse. Use gloves. Do not apply on very sensitive surfaces without testing first.