I took a pre employment test Friday at 3pm. The shop sold me the Synthetix5 synthetic urine, rather than other brands that were available. After purchasing, coming home and looking up info, there really isn't any. Just a few mixed reviews from random people. Anyone use this brand recently? Should I have a back up synthetic in case I am able to retest if this should come back as a few indicated - Diluted! Pretty nervous as used others in past, but for some reason the shop guy was sold on it....need positive or negative input on this if possible. Thanks