How I can clean my system of all traces of marijuana before a blood test or urine?

I do not smoke weed / pot / Mary Jane (etc.) but think about it, and let me know if there is a way to clean your system out of it if I knew they would do a blood or urine. If I knew one week in advance? "I can clean my system of traces of marijuana?

Drink plenty of water and make sure s ** several times a day … can and can not work depending on the smoking quantity and regularity .. and please ignore the negative comments are bound to have to do lol shudnt and has no real advice – NOW Legalize

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