Two 8-ounce bottles of Dr. Willard's Water® ULTIMATE Concentrate. Dr. Willard's Water® ULTIMATE Concentrate contains about twice the patented catalyst of the DARK XXX Concentrate. The ULTIMATE Concentrate must be diluted according to instructions to ensure maximum effectiveness: add one liquid ounce (two tablespoons) of Dr. Willard's Water® ULTIMATE Concentrate to one gallon of distilled, spring, filtered or tap water. Do not use carbonated water.
These ULTIMATE Concentrates qualify for our free domestic shipping!