Bandes visuelles

Safe Well Check™ Water Test Kit makes testing accurate, affordable, and easy. A very simple and effective way to test the standard of your drinking...

Détecte : 0, 100, 150, 150, 200, 250, 300, 350, 400, 1000 ppm (mg/L) Bouteille de 50 tests Cette simple bandelette-test couleur, de notre marque WaterWorks™, permet de....

Detects: Negative or Positive (tests for lead & other heavy metals) 5 Tests The Soil Check Test colour test strip, from our SenSafe® brand, all...

This simple colour test strip, from our WaterWorks™ brand, allows quick and accurate testing for Chloride in water. It is a simple dip and read tes...

2 tests chacun pour 30 élèves Détecte : Chlore libre : 0,0, 0,1, 0,2, 0,5, 1,0, 2,5, 5,0 ppm (mg/L) Chlore total : 0,0, 0,1, 0,2, 0,5, 1,0, 2,5, ....