No, one day isn't enough. I believe you need to stop for at least 48hrs in order for that thing to work right, the Certos or whatever.

If your piss was too watered down, they may ask you for another sample.

It is unlikely your urine will come nack clean. Sorry.
Nochowderforyou Reviewed by Nochowderforyou on . Certos Question, someone who's taken respond Hey everyone, someone, anyone, I am really trippin out because I took a pre employment drug test on Friday but here's the problem. I smoked on Thursday morning, got the call that I had to test the next day, so I started drinking a shit load of water, then Friday morning, I put one pack of certos in a bottle of water, and another pack in another bottle. I drank the first bottle at 8am and the next at 8:30am. I didn't actually finish the second one, but I drank a full bottle of the first and Rating: 5