"orange de méthyle"

Just how safe is that water that comes out of your home faucet? Students find out if they really want to be drinking that 'clear' fluid when they test water samples they bring from home with this kit.

Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.

The WaterWorks School Test Kit is a great introduction to water-quality testing.

Enough materials for five groups working simultaneously.

Watershed Nonpoint Source Model

Precalibrated test tubes and labware give fast, accurate results on-site, in the classroom, or in the lab.