Revolution Kleen Toilet Bowl Cleaner is a safe, yet powerful cleaner that deep cleans and removes rust stains, lime, calcium, scale, mineral deposits, organic stains, hard water residue, phosphates, and urinal salts from toilets.

DIRECTIONS FOR USE: Squirt Revolution Kleen Toilet Bowl Cleaner around the rim of toilet or urinal and let sit for several minutes.  The thick formula will remain on the sidewalls of the bowl to break down lime, calcium, and hard water deposits. Use a toilet brush to move water over remaining stains on the side walls. Apply more product on stubborn stains. Flush toilet when cleaning is complete. Reapply if necessary.