1:1 Set, 1x 2 oz Citric Acid 50%, 1x 2 oz Sodium Chlorite NaClO2 set consists of two components Component A: Sodium solution Component B: Activator, Citric Acid 50%. This kit is not intended for human consumption. Always read the label and production information before use. Not marketed for internal use. End use is sole responsibility of consumer.I..