Daly's Wood Bleach Solution Kit Containing Solution A and B, 2 Gallons Each SOLUTION "A" AND SOLUTION "B" MUST BE MIXED TOGETHER TO PRODUCE AN EFFECTIVE BLEACH Reacts on the tannic acid content of wood to produce lighter wood tones and achieve uniformity of color Safe to use on all species of wood; solid or veneer Intended to work on bare wood; remove all old finish and stain from wood surfaces before bleaching Bleach is non-returnable due to it's hazardous material status.