Test Five Factors on One Test Strip

Your students will be amazed to learn that their drinking glasses may hold more than just water. Have them bring water samples to class or take the test into the field, and this water quality testing kit will do the rest. Step-by-step instructions, as well as background information on each testing parameter is included. Test for total and free chlorine, total hardness, total alkalinity, and pH simultaneously on one test strip. The kit includes 50 test strips.