Synthetic Urine for testing the validity of nicotine tests.

400 ng/ml cutoff

2 Bottles. 1x 25 mL Positive, 1x 25 mL Negative

Synthetic urine doesn't have any of the undesired properties of test urine (smell, foaming, need to keep frozen, biological nature).

The controls are stable at room temperature for a year after date of manufacture,2 years if refrigerated.