Kolor Kut water indicating paste. This paste is a golden brown color, and upon contact with water, turns a brilliant red. It will successfully gauge petroleum and its by-products for water content. It will also indicate sulphuric acid, nitric acid, hydrochloric acid, soap solution, salt and other chloride solutions. 3 ounce tube. Shipping weight per dozen is 3.5 pounds, but are sold individually.The MSDS information for this product is listed under Manuals and MSDS Information in the "Links" section of this website. Quantity discounts may apply.