Palo azul is the kaka thats what it is. Its a mexican herb.basically its tree bark that you boil until the water turns brownish red.then you let cool down and it should have a shade of blue..palo azul is blue stick...it detoxifies your body of most toxins.it will help you pass a drug test if you smoked weed or snorted coke.wont work if you smoked the cocaine...and I have used it several times and I know that its 100% effective..
