The Leveluk Super 501 is Enagic’s top water ionizer for heavy home use. There is absolutely no other water ionizer that can compare. Not only is this water ionizer the best for heavy home use in regards to cleaning, it also provides delicious Kangen water at a 9.5 pH alkalinity level. This water ionizer is also starting to be found in many restaurants for cleaning purposes since it produces a strong acidic water that kills 99.9% of germs within 36 seconds of contact.