hey i have passed a drug test useing suregel liquid called certo (liquid pectin) used in makeing jams all you do is about 1.5 to 2 hours befor you have the test you get a 20oz drink like pepsi or dr peper drink half of it then take one pouch of the pectin pour it in the drink then drink it all then drink lots of water then piss once before you go and you should be pissing clear if you keep drinking water word of note the sure jell is hard to drink and keep down but it works good luck