US Pumice JPS-12 Jumbo Pumie Scouring Brick, For Large Surface Cleaning, Removes Lime, Scale, Rust, Calcium - Pool Pumice Stone Tile Cleaner, Barbecue Cleaning Stone, Hand Safe, Pack of 12

Pack of 12, JUMBO PUMIE HEAVY DUTY SCOURING BRICK - Removes lime, scale, rust, paint, algae, carbon PUMIE POWER: works when the strongest chemicals quit. Works through gentle abrasive action ECO-FRIENDLY AND SAFE: Wont harm hard surfaces. Safe for skin, hands, children, pets, environment UNEXCELLED FOR REMOVING: Rust, Scale, Paint, Grime on machinery, workshop and garden tools Jumbo Pummis Stones also scour away mineral deposits, stains, scale from sinks, tubs and showers