Stone Cleaner, Cleaner Form Liquid, Container Size 5 gal, Container Type Bucket, Properties Biodegradable, Nonflammable, Ready to Use, Surfaces for Use On Limestone, Marble, Maximum Coverage Area 1,000 sq ft, Maximum Drying Time 15 min, Maximum Effective Temperature 95 Degrees F, Minimum Coverage Area 150 sq ft, Minimum Drying Time 15 min, Minimum Effective Temperature 32 Degrees F, Fragrance Unscented, pH Level 12, pH Value Alkaline, Recommended Dilution Ready to Use, VOC Content 0 Percent