Cuidado de niños

Detects: Coliform Bacteria - Positive/Negative  1 test per bottle This simple Bacteria check test, from our WaterWorks™ brand, allows for quick and...

Detects: <10^2, >10^2, >10^4, >10^6, >10^9 Bacteria/mL 30 Foil Tests The WaterWorks Bacteria Growth Check for water quality testing ...

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...

1 test 24 hour coliform presence/absence with E. coli confirmation Positive/Negative results This simple Coliform Bacteria test, from our WaterWor...

2 pruebas cada una por cada 30 estudiantes Detecta: Cloro libre: 0.0, 0.1, 0.2, 0.5, 1.0, 2.5, 5.0 ppm (mg/L) Cloro total: 0,0, 0,1, 0,2, 0,5, 1,0, 2,5, ...

El producto global más vendido! Detecta; Dureza total: 0, 25, 50, 120, 250, 425 ppm (mg/L) Cloro total: 0, 0.5, 1, 2, 4, 10 ppm (mg/L) Cloruro libre...

Detecta: 0, 100, 150, 200, 250, 300, 350, 400, 1000 ppm (mg/L) Botella de 50 pruebas Esta simple tira de prueba de color, de nuestra marca WaterWorks™, permite...

Detects: pH: 2.0, 4.0, 5.0, 6.5, 8.5, 9.5, 10.5, 12.0 pH Total Alkalinity: 0, 40, 80, 120, 180, 240, 500 ppm (mg/L) Total Chlorine: 0, 0.2, 1.0, 4...