Hydrion Test,15 ft L,0 to 400 ppm Quat Amm,PK10 QT-10

Calibrated to test the concentration of Alkyl dimethylbenzyl ammonium Compounds Roccal II, Hyamine 3500 Test solution should be room temperature ideally 65-75 degree farhenheit Test paper should be held in motionless solution for ten seconds Results should be read immediately Color chart shows matches at increments of 0-100-200-300-400 ppm