Palintest Photometer Phenol Red 250 Tablets - AP130

PRECISE PH CONTROL 6.8 - 8.4 - Palintest Phenol Red photometer tablets deliver accurate, repeatable pH readings across 6.8 - 8.4, helping you maintain balanced water chemistry for swimming pools, hot tubs and other water systems. Regular testing allows you to fine-tune chemical dosing, maintaining a consistent pH that keeps water comfortable for users and protects equipment through balanced disinfection. SIMPLE COLOURIMETRIC METHOD - Uses a clear yellow-to-red colour change to indicate pH, making routine testing quick to understand at a glance. This straightforward workflow supports frequent checks as part of your maintenance schedule, so you can confidently correct pH drift and keep pools, spas and other water systems within the recommended operating range for neutral to slightly alkaline waters. MADE FOR PHOTOMETERS - Engineered for use with photometers to deliver reliable, accurate measurements and minimise operator error. Each tablet is precisely formulated for consistent dissolution and colour response, ensuring dependable, repeatable results for both domestic users and professional operators who require accurate data for logs, audits and ongoing water-quality assurance. CHLORINE-COMPATIBLE FORMULA - Each tablet includes a dechlorinating agent to minimise interference from standard disinfectant residuals, improving accuracy in treated water. This gives dependable pH results alongside routine chlorination, supporting faster decisions on chemical balance adjustments and helping you optimise sanitiser efficiency. 250 TABLETS, FOIL-SEALED - Supplied in foil blister packs for extended shelf life and reliable performance over time, ideal for frequent testing routines. Store these tablets in a cool, dry place, avoid contact with oxidisers, reducers, acids, alkalis, solvents and organic materials, do not mix with other chemicals, and wear suitable gloves and eye protection. Always read the label.