Hydroponic Greenhouse Ammonia Test Strips

SKU: 33817-AMM

$19.95USD or lower Each

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Use Indigo® ammonia test strips to monitor nutrient solution health in hydroponic and greenhouse systems. Prevent plant stress and ensure balanced nitrogen availability.

Keep your hydroponic or greenhouse system in peak condition with Indigo Instruments’ ammonia/ammonium test strips. Fast and easy to use, these colorimetric tests reveal nitrogen imbalances that can harm plant roots and slow growth. Ideal for both hobby growers and commercial operations, they help maintain healthy nutrient solutions by detecting excess ammonia before it becomes toxic.

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Details

Learning Outcomes by Discipline

Discipline Learning Outcomes / Key Features
Plant Science Explain how ammonia and ammonium levels affect nutrient uptake, root metabolism, and plant stress responses in hydroponic systems.
Environmental Science Understand nitrogen cycling and its role in sustainable controlled-environment agriculture.
Chemistry / Biochemistry Relate chemical equilibria between NH3 and NH4+ to solution pH and temperature in aqueous systems.
Agricultural Technology Apply rapid ammonia testing to maintain nutrient stability and automate dosing or filtration systems in commercial operations.

Best Practices

  • Test nutrient solution weekly, or after adding nitrogen-based fertilizers.
  • Maintain adequate aeration to support nitrifying bacteria.
  • Replace or refresh nutrient solutions when ammonia is detected above 0.5 ppm.
  • Avoid overfeeding—unused nitrogen compounds convert to ammonia over time.
  • Use readings to fine-tune fertilizer schedules and maintain balanced growth.

If you are looking to test for leaking ammonia refrigerant gas, click on phenolphthalein ammonia gas indicator test papers. Or, if you need a supersenstive detector for gloveboxes, click on ammonia leak detector cloth. For general information on ammonia, click on: Ammonia-Refrigerant, Leak Detector & Disinfectant.

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Specifications
  • The number of strips (25) per vial is approximate.
  • Shelf life is a guaranteed minimum 3 years but vial is lined with a desiccant and if properly sealed, strips can last 5 years or more.
  • Made in USA with NIST calibration standards
Documentation

Test Strip Documentation
Stability Statement Certificate of Analysis SDS
Indigo Ammonia Test Strips 0-100ppm Stability Statement Indigo Ammonia Test Strips 0-100ppm Certificate of Analysis Indigo Ammonia Test Strips 0-100ppm SDS
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