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I've just found out I have a urine test in 11 days, it doesn't specify what test, however I only smoke cannabis, and it would be medium strenght or less, I smoke consistently but quite small quantities. Is it possible to have my wife's piss? She's just tested neg. for a pregnancy test. Any ideas????????????

 

Buzzby

Did she test negative for pregnancy or did she test negative for pot?

If she's negative for pot you can use her urine for substitution.

SUBSTITUTION: Tips, tricks and guidelines by N2

With an 11 day window you could probably use a dilution technique.

Dilution and aspirin-- the technique

DILUTION: tips, tricks and guidelines from N2

If you decide to try dilution, get yourself a home THC test, try out the technique a couple of days before the real test and see if it knocks your THC metabolite concentration down below the threshold. If it does, you'll be able to use the technique for the real test. If it doesn't you can use substitution.

The advantage of substitution is that you don't need to quit smoking for it to work. The disadvantage is that it takes a little practice, you have to deliver the sample in the 90º - 100º range, and you can't use it for a closely observed test.

The advantage of dilution is that it doesn't require any on-site equipment. The disadvantage is that you need to abstain for several days to get an acceptable (non-dilute) sample with a low enough concentration of THC metabolites.

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