So my parents have been testing me for some time and i have quite smoking and passed all of them but i am looking to get back to my toking so i need help finding a consistent way of passing. the tests are random and are always done in my parents bathroom no i do have the ability to hide and eye dropper in there so that is an option i was thinking bleach because i know that it works 100% of the time but my tests are multipanel so it has mAMP and AMP so will the bleach show up as amphetamines? also i guess i could store some of my dogs or friends pee but will it go bad? please i am open to anything!