You should mix one tablespoon of lemon juice with 500ml of water and sipped multiple times over the course of several hours. The aim is to drink this mixture 7–8 times in the days leading up to a drug test. If you’ve been vaping a lot lately, keep a bottle of this mixture on hand to ensure you get enough.
You should just keep it easy if the acidic essence of lemon juice isn’t doing your digestive system any favors. For passing a urine test, water does not seem to be a magical elixir, but drinking plenty of it will dilute your urine and leave you peeing clean.
Answer: you could also drink Water (with Lemon Juice) If you’re hoping to pass a urine test in a hurry, drinking 1-2 liters of lemon water throughout the day before your test might help to dilute your urine and flush your system.