Safe and Gentle Cleaner for Marble and Tile Safe and gentle for cleaning of all polished stone and tile surfaces. Leaves no soap residue. Lifts dirt and grime to surface for easy removal. No rinsing necessary. Does not leave streaks, smudges or rainbows on surfaces. Our Marble and Tile Cleaner contains special cleaning agents that lift dirt from the pores of the stone without damaging the surface or diminishing natural color. The 100-percent biodegradable formula is safe for natural stone and tile surfaces and is gentle enough to be used every day. Will not remove stone or grout sealers. Concentrate 32-Ounce.