<<Disclaimer: Verify this information before applying it to your situation.>> Here are a couple of videos involving an independent test we did of the Nima gluten tester. It contains an interesting cross-contamination surprise. http://www.cleveland.com/entertainment/index.ssf/2017/01/watch_us_demonstrate_the_nima.html Chris Quinn * Please carefully compose your subject lines in all posts * Archives are at: Http://Listserv.icors.org/SCRIPTS/WA-ICORS.EXE?LIST=CELIAC