Nu-Power Kleen  cleaner and descaler for toilet, urinal, sink, bathtub, faucet, chrome, stainless steel, shower, ceramic, drinking fountain, etc. It eliminates and prevents limestone accumulations and descales while eliminating bad odors. In addition, Nu-PowerKleen leaves a pleasant and long-lasting fragrance. Nu-PowerKleen’s main active ingredient is produced through a biotechnological process involving lactic acid fermenting bacteria.