The Palintest pH Phenol Red test reagent is designed for compatible water-testing applications where pH levels need to be measured accurately. A test reagent is useful because it helps produce the reaction needed for pH testing, supporting better water-balance monitoring and more dependable water care.This supply is especially useful when routine testing requires replacement tablets or when the current reagent stock is depleted or expired. The 250 tablet count is practical for ongoing testing needs in compatible systems.The AP130 is a practical testing supply when a water-care setup needs dependable pH measurement support. Palintest pH Phenol Red test reagent 250 tablet supply Designed for compatible water-testing applications Useful when replacement testing tablets are needed Supports cleaner and more dependable water-balance monitoring