Step 1 - Remove the ampule from the clear plastic tube and touch suspect material
Step 2 - Insert the fiber tip into the clear plastic tube and crush
Step 3 - Look for the color reaction
The Marquis test can be used in combination with our Meth-1 and CO-2 tests ampules to test for Bath Salts. Test the suspect material using a clean sample of the suspect material for each test. If you get a positive result for all three then it is a high probability that you have a bath salt and should send it to the lab for confirmation.