It easily dissolves rust, lime, bio-waste, urine, hard surface scale, soap and fat scum on all washroom surfaces, yet it will not harm Stainless Steel, porcelain, ceramics or glass even during periods of prolonged contact (NOTE: Do not use any acidic products on marble or terrazzo). ALL FRESH is one of the Agar range of cleaning concentrates –fully effective, economical Cleaning Systems for safe, controlled dispensing with a colour coded system.