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Soluble Reactive Phosphorus Test ONLY (Orthophosphate)

$28.33 / unit

Phosphorus is often the engine driving aquatic plant growth and harmful algal blooms. But not all phosphorus behaves the same way. Soluble reactive phosphorus (SRP), otherwise known as orthophosphate, represents the fraction of phosphorus that is dissolved, inorganic, and immediately available for uptake by algae and aquatic plants. In other words, SRP represents the “ready-to-use” nutrient fuel in your system, making it a critical measurement for understanding active nutrient availability and bloom potential.

This test is ideal for:

  • Evaluating immediate nutrient availability
  • Diagnosing drivers of algae and plant growth
  • Supporting targeted nutrient management decisions

Note: This listing is for SRP analysis only. Additional nutrient bundles that include this test are available separately.

This service is $28.33 including processing fees.

Results take a minimum of 7 days from the day that sample is received.

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