Phenol Red Reagent Tablets (50) – pH Test for Pool Photometers

Phenol Red Tablets are photometer-compatible replacement / refill reagent tablets and pH reagent tablets for pool photometers used for accurate pool & spa pH testing.

Key Specs

• Product type: Replacement / refill reagent tablets (consumable)
• Test parameter: pH
• Range: 6.5–8.4 pH
• Format: Tablet reagent (50 tablets)
• Shelf life: 2 years (sealed, stored properly)

What this reagent does

Phenol Red is a pH indicator reagent used by compatible photometers to determine the pH of pool and spa water. This refill pack is intended for routine testing and restocking your photometer supplies.

Storage & shelf life

Store tablets cool, dry, and sealed. Avoid humidity and heat. This product is hygroscopic (absorbs moisture).

• Recommended storage temperature: 59–77°F (15–25°C)
• Protect from: moisture/water and direct heat

Proper storage helps maintain accuracy and supports the stated shelf life.

Note: Product performance depends on correct testing procedure and proper tablet storage.