Test Reagent 1/2 oz - #7 Hardness

All pool/spa test reagents (liquid, powders, tablets or test strips) have a shelf life based on storage conditions.

• Store reagents in a temperature range of 36-85F (2 - 29C).
• Keep reagents out of prolonged direct sunlight.
• Store reagents away from treatment chemicals.
• Replace reagent caps quickly to limit exposure to air and humidity.
• Do not switch reagent bottle caps or repour reagents into unclean containers.
• Taylor & Lamotte reagents (with very few exceptions) are fomulated to remain effective for at least one year.
• Replace all reagents more than one year old, or at the start of a new testing season.