Education Demonstration Phosphate Test Strips

SKU: 33817-P

$15.95USD or lower Each

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Use Indigo® phosphate test strips for clear, safe classroom demos of the phosphorus cycle, water pollution, and eutrophication. Ideal for chemistry or biology labs.

Phosphate testing offers a vivid, hands-on way to explore how nutrients move through natural and human-influenced ecosystems. Using simple colorimetric test strips, students can visualize how excess phosphate leads to eutrophication, algal blooms, and oxygen depletion, core topics in both chemistry and environmental science curricula.

Details Specs Docs Reviews
Details
Discipline Learning Outcomes / Key Features
Chemistry
  • Relate phosphate ions (PO43−) to solubility, pH, and ionic equilibria.
  • Observe real-world applications of colorimetric analysis without reagents.
  • Understand concentration units (ppm) and calibration of simple test methods.
Biology
  • Describe the role of phosphate in plant growth, ATP, and cell metabolism.
  • Demonstrate the effects of nutrient excess on algae and aquatic ecosystems.
  • Connect laboratory data to biological consequences such as eutrophication.
Environmental Science
  • Explain how agricultural runoff contributes to water pollution.
  • Compare phosphate levels in natural vs. treated or simulated waters.
  • Develop environmental stewardship through monitoring and remediation discussions.

Best Practices

  • Use dechlorinated water in experiments — chlorine can interfere with color development.
  • Keep phosphate stock solutions below 10 ppm for safety and realistic environmental modelling.
  • Include control samples (0 ppm) to help students recognize the color range accurately.
  • Store test strips in a cool, dry place and avoid touching the reactive pad.
  • Encourage quantitative discussion: What does 2 ppm mean in ecological terms?
  • Cross-test with nitrate or ammonia strips for a full nutrient cycle demonstration.
Related information or images
0-100ppm Phosphate Test Strips 100/vial

0-100ppm Phosphate Test Strips 100/vial

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Specifications

This strip indicates results at 10, 25, 50 & 100ppm & has a detection limit of 5 ppm.

  • The number of strips (50) per vial is approximate.
  • Shelf life is 3 years but vial is lined with a desiccant and if properly sealed, strips can last 5 years or more.
Documentation

Test Strip Documentation
Stability Statement Certificate of Analysis SDS
Indigo Phosphate Test strips 0-100ppm Stability Statement Indigo Phosphate Test strips 0-100ppm CoA Indigo Phosphate Test strips 0-100ppm SDS
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