In split-sample situations, bottle B gets tested only if bottle A is confirmed positive for a particular drug(s), and that the donor had decided to mount a challenge to the results of bottle A.

But since synthetic subs contain no drug metabolites to test positive for, you have nothing to worry about.

Forget the herbal 'detox' potions. By doing a Forum Search with the terms "detox products scam dilution", you'll discover that all "detox" products are a scam to prey upon the uninformed and credulous and taking their hard-earned cash.
Burnt Toast Reviewed by Burnt Toast on . Question about preemployment Hello I have to take a preemployment test at Quest labs within a few weeks (as soon as tomorrow) and I definitely would not pass (smoked yesterday, wasn't really sure when i'd be called in). Its for a summer job I've been at for a few years now but now I'm going back earlier. Usually I would just stop for 3 weeks and I'd be clean. Now I either want to dilute or substitute. It's a mandated drug test through the coast guard, which is what makes me question using substitution. It's a split sample Rating: 5