
The HI-93710-03 Phenol Red pH Reagent is a high-quality, genuine Hanna Instruments reagent designed for the accurate colorimetric determination of pH levels in water samples. Supplied in an economical pack sufficient for 300 tests, this reagent is ideal for high-volume users who require consistent, reliable pH analysis using compatible Hanna photometers.
Using the well-established Phenol Red method, the HI-93710-03 reagent provides precise and repeatable results across the typical pH measurement range of 6.5 to 8.5 pH. The reagent produces a clear colour change depending on the acidity or alkalinity of the sample, which is then measured photometrically for enhanced accuracy and reduced user interpretation error.
Manufactured to strict quality standards, each reagent batch is carefully formulated to ensure high purity, stability and dependable performance in both field and laboratory environments. Each pack is clearly lot numbered and expiry dated, ensuring full traceability and compliance with quality assurance procedures.
The HI-93710-03 is suitable for a wide range of professional applications, including drinking water treatment, swimming pools and spas, cooling towers, industrial process water, environmental monitoring and general laboratory water testing.
The HI-93710-03 Phenol Red Reagent provides a cost-effective and dependable solution for professionals who require accurate pH monitoring and efficient high-throughput water testing.

The HI-93710-03 Phenol Red pH Reagent is a high-quality, genuine Hanna Instruments reagent designed for the accurate colorimetric determination of pH levels in water samples. Supplied in an economical pack sufficient for 300 tests, this reagent is ideal for high-volume users who require consistent, reliable pH analysis using compatible Hanna photometers.
Using the well-established Phenol Red method, the HI-93710-03 reagent provides precise and repeatable results across the typical pH measurement range of 6.5 to 8.5 pH. The reagent produces a clear colour change depending on the acidity or alkalinity of the sample, which is then measured photometrically for enhanced accuracy and reduced user interpretation error.
Manufactured to strict quality standards, each reagent batch is carefully formulated to ensure high purity, stability and dependable performance in both field and laboratory environments. Each pack is clearly lot numbered and expiry dated, ensuring full traceability and compliance with quality assurance procedures.
The HI-93710-03 is suitable for a wide range of professional applications, including drinking water treatment, swimming pools and spas, cooling towers, industrial process water, environmental monitoring and general laboratory water testing.
The HI-93710-03 Phenol Red Reagent provides a cost-effective and dependable solution for professionals who require accurate pH monitoring and efficient high-throughput water testing.