Investigate water pollution using safe, simple TesTab reagents. A lightweight, field carrying case houses 12 individual test modules. Each module contains easy-to-read, diagrammed instructions; a color chart; a test factor flashcard; and all the necessary apparatus and non-hazardous TesTabs® to perform 100 tests. This complete, economical kit also includes a manual and The Monitor's Handbook. Grades 5 and up. Shipped directly from supplier.