I'm pretty sure that wouldn't work... Bleach is naturally very high on the pH scale, around 10,12-ish. Urine is about 4,5. The bleach would deactivate the urea in the urine, and make the urine much more basic than acidic- something they do test for, so it would come off as tampered.

Otherwords, NOT a good idea.
Purple Banana Reviewed by Purple Banana on . Bleach in Eyedropper So my mom signed me up for random drug testing at my school.:mad: They are allowed to pull you out of any class at any time to take a piss in a cup. I have read and found out from experience that 1 drop of chlorinated bleach per 10cc will cause to you show up with a negative everytime!:D Is there a way to get the bleach in a clear eyes or visine eye dropper? Does anyone know any type of dropper roughly around a pocket size eye dropper case I could use?:confused: Rating: 5