Water Conditioner CLASSIC 1:1 Set with activator Our Water Conditioner Classic 1:1 consists of two components which are accorded to the guidelines of the drinking water regulations and compliant with the standards of the food industry. Adding components A and B drop results in developing the active substance chlorine dioxide. 1 drop of each solution. Activated after 30 seconds, color change from colorless to ochre Use drinking water disinfectant with care. Always read the label and production information before use. Not marketed for internal use. End use is sole responsibility of consumer.In 2010 the FDA issued a warning against using this product in a manner inconsistent with labeling and instructions. Click Here for FDA Warning