Descale-It Toilet Bowl Cleaner
Made from a 100% biodegradable, fume-free formula, Descale-It™ clings to and penetrates porcelain to remove mineral and rust stains. For tough stains and severe rings, simply apply the thick liquid and allow to soak overnight, then brush in the morning. Safe for septic systems. Set of 2 bottles, 16 oz each. USA.