LaMotte DPD 1A Free Chlorine Reagent, Liquid, 30 | Lab Supply

Overview

LaMotte DPD 1A Free Chlorine Reagent (P-6740-G) is a liquid reagent designed for colorimetric testing of free chlorine in water samples. Used with standard DPD-based test kits, it helps reveal a distinct color change that correlates to chlorine levels, enabling quick, practical assessments in lab, pool, or field settings.

Real-world uses

Whether you manage a residential pool, a community spa, or a small laboratory, this reagent can slip into your routine testing workflow. The liquid format is easy to pipette and mix with your water sample, supporting straightforward comparison against a color chart or a photometer.

How to use (at a glance)

Follow your kit’s instructions to add the DPD 1A reagent to a treated water sample, then compare the resulting color to the reference color. The liquid nature of the reagent allows quick dispensing into the sample cup and minimal preparation.

Key benefits you may experience

• Clear color development that aligns with standard testing methods
• Compact, single-bottle packaging that fits neatly in storage or field kits
• US-made product supporting domestic sourcing and consistent supply
• Small footprint with precise dimensions (2.5 cm L x 3.2 cm W x 11.1 cm H)

What’s included and where it comes from

• Product Type: Lab Supply
• Package Quantity: 1
• Country of Origin: United States

Storage, handling, and tips

Store away from heat and direct sunlight in a cool, dry place. Use consistent lighting when comparing colors and follow your kit’s disposal guidelines for chemical reagents.

Why choose LaMotte

LaMotte is a longstanding name in water testing. This DPD 1A reagent is designed to integrate smoothly with common workflows, helping you maintain a steady testing cadence without adding steps or complexity.