Bartovation (Tm) Control (No Chemical) Paper Strips - Genetic Taste Testing (Vial of 100) Ptc $5.38 B019TDTHGG
Phenylthiourea (PTC) Test Paper for Genetic Taste Testing [Vial for 100 Paper Strips] $4.95 B01A9DOL9I
100 2" Paper Quat QAC (Quaternary Ammonium) Test Strips in Vial (100-400 PPM) $14.99 B01CDBQB9C