A super kit for the study of fresh water environments-ponds, lakes, streams, rivers and marshes. Student will test for nitrates, phosphates, silica and pH by using color comparators. Carbon dioxide, water hardness and dissolved oxygen will be studied by performing simple, easy-to-use micro burette titrations.The individualized tests are separately packaged allowing several teams of students to work simultaneously. The complete test kit contains materials and instructions to run each test 40-50 times. Three handbooks are provided with the kit: Limnology, A Study of Water Quality and Investigating Water Problems. Durable, industrial grade fabric tote features a rubber bottom, top and side handles, a removable shoulder strap, and convenient outside pockets.