The Screen Instant Bluing Tablets 100 Tablets come in a pack of two new bottles, providing a total of 200 tablets for testing purposes. These blue tablets are designed fast-dissolving dyes used to color toilet water, which prevents test subjects from diluting or adulterating urine samples during drug screening. By placing one tablet in the bowl or tank, the water turns rich blue.

***We are having a very huge clean-out/clear-out! Many items from storages and hoards. We are getting things rolling and are starting items at SUPER marked down prices to get the algorithms working for us. Antiques, Vintage and Collectibles to Modern and more everyday usable items. Take advantage now on these great prices and keep an eye out for more great things to come!!