No, Dro I sub. If you get the temp right on a clean sample it is 100% where as dilution is not nearly that close. A positive or a negative dilute is a possibility when diluting.

Creatinine clearance can be raised by eating meat, red meat is preferred, or with creatine supplements.

Success depends on the person, their body type, smoking hisotry, clean time before the test, etc etc etc. For instance if you are smoking a quarter of white widow a day chances are that you will not have as good of a chance as someone smoking a joint of mids a day.

If you are unobserved, learn to sub.