Go to the “Learn” tab on the site, then select “How To Use“. Directions for each testing method are provided along with a video for each test method. Also, complete detailed instructions come with every kit.
Do not use the “Rapid Test Method” on bare metal or bare wood. The “Special test Procedure (Patented Leach Method)” can be used to test metals such as jewelry and trinkets.
This could happen with items other than lead. We just address the yellow to black color and stress that the customer makes sure that the item being tested does not bleed.
The 8 test pack and the 24 test pack kits do not have a shelf life as long as the glass vials are sealed tightly and kept in normal house temperatures (the cooler the better). The 100 test pack kit has a shelf life is 2 years.
Any clear white vinegar
That answer depends on what you are testing. The U.S. Consumer Product Safety Commission says that on August 14, 2011, manufacturers, importers, retailers and distributors of children’s products must comply with the new 100 ppm federal limit for total lead content. The EPA recommends a maximum level of 10 ppb in drinking water.
No, clear vinegar should not cause any problems with the finish on your test items. After testing, we recommend washing thoroughly with soap and water.