Can you p a drug test with PH riser and/or lowerer?

i smoked with my friend, and my mom is probably going to drug test me when i get home, (yes i know its stupid, but just answer the question) is it possible to raise or lower the PH after using bleach so the drug test will come back negative? (the PH riser and lowerer is for my pool.. but since pee is basically water.. well **** it why not use it.) ***this question is for marijuana.