"orange de méthyle"

Safe alternative to Glass Titrators

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.

Ideal for Teaching the Value of Fresh Water

Make Sure the Water is Free of E. coli

A great low cost metal detector.

Bacteria Make Up Much of the Composition of the Soil

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.