Easily remove Limescale and other hard water-related deposits where nasty chemicals and bristled toilet brushes have failed. The extra dense pumice stone lasts longer than any other brand on the market. Pumice Stone is tough on stains but leaves porcelain scratch-free. Bring back the shine to your toilet and have a bathroom you can be proud of. 100% natural volcanic pumice stone. So safe you'd even use it on your feet. Not just for your toilet! Our abrasive cleaning solution is ideal for cleaning rust and baked-in grime from BBQ grill pans and will have you enjoy your BBQ in no time at all! Keep your swimming pool tiles clean from unwanted build-up and looking their best without adding harmful chemicals with the natural power of pumice.