I must pass a thc urine test!!!!!!?!

I must pass a thc urine test!!!!!!?

i ate a weed muffin, last thursday, and i need to pass a urine test tomarrow at 11:00am !!!!, i havent smoked or any thing before then( i was clean from drugs till i ate that muffin) i need to pass it for probation, or else i will go to juvy, please dont lectur about not do pot, i dont wanna hear it, ive tookin 2 500mg niacin pills every day since thurs day, and have drink lots of tea, i need some tips on how to pass it!!!

There are drinks you can buy at your local tobacco shop. They are called Carbo clean or something similar. You drink them shortly before your test and you will be clean. I think they cost around $30 -40.