Using synthetic urine at any professional lab, including Quest Diagnostics, carries a real risk of being detected and is generally considered cheating. Modern labs often check temperature, creatinine levels, specific gravity, pH, and the presence of certain natural metabolites. If a sample falls outside expected human ranges or lacks normal markers, it may be flagged as invalid, substituted, or adulterated. Some labs also test for preservatives or chemicals commonly found in synthetic products. Even if a product has worked for someone in the past, testing technology and procedures change over time. Getting caught using synthetic urine can have serious employment or legal consequences. The safest approach is to follow policies honestly and address any substance issues directly. Purchase Quick Fix Plus at Waterbeds “n” Stuff for the lowest price online.