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.