Take a lot of vitamin B12... B12 will make urine have a more darker, yellower hue. However be careful as B12 also increases your metabolism possibly to dangerous levels.
detox for urine test
Drink a lot of water and take a cleanser or mask that will cover it up in your pee...you can probably get one at a local G.M.C.
No alcohol does not show up in your piss test. EXAMPLE-Like if you drink ALAZE the purple one than your piss is not going to be purple.
Yes; as a benzodiazepine.
yes
meth
no
NO
no i dont think it will
No it will never make you fail a urine test.
Yes
The real answer is you Can't mask cocaine in a urine test, no matter what you try.