Understand the consequences of cultural nutrient overloading on the aquatic environment. Recognize that there may be alternative, more environmentally-friendly alternatives in typical consumer chemical goods. Demonstrate and monitor the effects of two detergen builders on natural water samples. Visually quantify the differences between phosphate and non-phosphate detergen builders on aquatic organisms. Kit contains enough materials for 15 groups. Teacher's Manual and Student Study Guide copymasters are included.

Kit Includes:

• 1 Phosphate Builder Solution, 50ml
• 1 Non-Phosphate Builder Solution, 50ml
• 1 Control (deionized) Water, 50ml
• 45 Plastic Cups
• 1 Box of Microscope Slides
• 1 Box of Coverslips

Optional:

• Microscopes
• Plastic Wrap or Similar