If you're tired of looking at dirty, discolored grout lines, this HG grout cleaner is about to become your new best friend. The concentrated formula is seriously powerful - it cuts through stubborn dirt, grime, and stains that regular cleaners just can't handle. You mix it with lukewarm water at a 1:4 ratio, apply it to your grout with a brush or sponge, let it work its magic for a bit, then scrub and rinse away all that built-up gunk. What's amazing is that it doesn't just clean superficially - it actually restores the original color of your grout, making your tiles look new again. The 500ml bottle covers about 10-15 square meters, so one bottle goes a long way for most bathroom or kitchen projects. It's buffered and synthetic, which means it's effective but not overly harsh on your surfaces. Just a heads up - if you still see brown or yellow stains after cleaning, that's probably limescale that needs their professional limescale remover. And for black mold stains, you'd want their mold spray. But for regular grout dirt and discoloration, this stuff works wonders. Whether you're dealing with bathroom tile grout, kitchen backsplashes, or floor tiles, this cleaner brings back that fresh, clean look without requiring expensive professional cleaning services. Your tiles will thank you!