Use overhead projector to demonstrate tests.
$813.80 - $813.80
Introduce the basic concepts of detecting water pollution by field test procedures and overhead projections. You can demonstrate testing for the following: alkalinity, ammonia, calcium, carbon dioxide, chlorides, chlorine, chromium, copper, cyanide, dissolved solids, hardness, iron, magnesium, nitrates, pH, phosphates, salinity, and sulfides.The two texts included (Our Environment Battles Water Pollution and Investigating Water Problems) provide useful background information on water pollution and testing.
A refill unit is also available for all chemical reagent and consumable items.