The Difference Between Single- and Double-Malt Scotch. To understand the difference between a single-malt scotch and a double-malt scotch, some whiskey terms must be explained. However, the simple explanation is that a single-malt scotch comes from only one distillery and often refers to scotch that comes from one batch.
Ecstasy is a water soluble drug. Which meens it can stay in your system through urine and blood for anywhere up to 2-4 days. Depending on the water level in your system. Howev â¦ er through a hair strand test ecstasy is still shown up to 6 months. Cocaine and MDMA both stay in the system for about 3 to 7 days.   If you are referring to the effects, you would start to feel the cocaine shortly after ingesting the pill, and as you are coming down from the cocaine, you would likely begin to feel the MDMA. 1 person found this useful. Answered.
It will stay in your system for 2-4 days (average) . Heavier users will most likely take close to a week. Heroin can be cleaned out of your system, but it will stay in your hair. If you are going through a hair test, heroin can be detected even if you've used it months ago. Hair has the longest testing time.ttp://wiki.answers.com/Q/How_long_does_it_take_an_heroin_addict_to_get_heroin_out_of_their_system. Heroin takes 2-4 days to get out of your system. By out of your system I mean you would be clean.