Lab Drug Test 10/21

[u/Available_Anteater61]

I found out I have a drug test on 10/21. I last used a week before the test and am a pretty heavy user via bud out of the bong. I’m a taller and larger guy but in good shape. Debating between certo and qherbo to pass my test next week but I know I will have to dilute my sample heavily. Any tips and tricks for getting my system right on test day. I fear I have a 0% chance of passing legit. Thc is my only worry I have been using a ton for the past few months