I just spent 100 on a 7 day cleanser on day 7 drinking a ton of water i passed an at home test, day 8 (after being told by guy at store it would clean out for good) I didn't drink very much water or urinate that often I failed a test at home. So I think it was the water not the 100 cleanser. Just my opinion though, good luck Ps the last time I smoked was 4/27