The only way to pass a mouth swab for alcohol is to not have any alcohol in the system.
Mouth wash: Use it before the swab.
They do a swab test and give you instant results. For both drugs and alcohol
You don't.
No, and if you're being tested for ETG you can damage your case even more - there's alcohol in hand sanitizer.
Don't use marijuana.
Dont do drugs and you will pass everytime
Drink a lot of water and stop use 2-3 days before mouth swab. Eat high in fat meal. Chew a lot, and I mean a lot of Altoids peppermint only. And you will come up clean
Wet with tongue not side of mouth
You can't!!!
Cocaine usually stays in your system for 48-72hours. If it is a random mouth swab, the best thing to do is put the swab in your mouth and get some saliva on it, but don't actually rub your cheeks so you get an undetermined result which will give you time to stop before the next drug screen/results from the first mouth swab.
Alcohol can be detected in your system from a cotton swab test for two days. A cotton swab test is also known as a saliva test, and results can vary depending on how much alcohol was consumed.
Swab tests are based on saliva, therefore you need to do a dry swab. Put the swab in an area of your mouth that it won't get wt in, these is tricky but doable. Pass them the swab, they'll test it not knowing any better seeing as how it was just in your mouth, and you'll pass the test.