LaMotte DPD 1A Free Chlorine Reagent, 30 ml | P-6740-G

LaMotte SKU: LMOP6740G
LaMotte DPD 1A Free Chlorine Reagent, 30 ml | P - 6740 - G - Chemical Testing - img - 1

LaMotte DPD 1A Free Chlorine Reagent, 30 ml | P-6740-G

LaMotte SKU: LMOP6740G
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LaMotte P-6740-G DPD 1A Free Chlorine Liquid Reagent (30 mL)

The LaMotte P-6740-G is a high-purity liquid reagent designed for measuring free available chlorine in pool and spa water using compatible colorimeter or comparator devices.

Key Features

  • Liquid DPD 1A reagent, pre-measured for use with testing equipment.
  • Designed for accurate measurement of free chlorine when used per test-kit instructions.
  • Compact 30 mL bottle, ideal for service kits and regular water testing.

Technical Specifications

  • Part Number: P-6740-G
  • Volume: 30 mL (approximately 1 oz)
  • Test Method: DPD 1A (Free Chlorine) measurement

Usage & Compatibility Notes

Use this reagent with the appropriate comparator or colorimeter. Add the required number of drops to a sample of pool or spa water per the device’s instructions, then observe the color change and compare to the scale for free chlorine concentration. Store the bottle tightly sealed, upright, and in a cool, dark area to maintain reagent integrity.

Maintenance Tips

  • Replace the reagent when the bottle becomes cloudy, discolored, or the expiration date is reached.
  • Keep a backup bottle in your service kit to ensure uninterrupted water-testing capability.
  • Ensure device calibration periodically for reliable results and accuracy in water chemistry management.

Why Choose This Reagent?

For pool service professionals, water-testing technicians and proactive homeowners, the LaMotte P-6740-G offers a reliable, OEM-compatible reagent solution for free-chlorine testing—helping ensure water quality, safety and regulatory compliance with minimal effort.

Hours Of Operation: 

Monday - Friday: 8:00 am to 4:00 pm Phoenix Time

Saturday and Sunday: Closed

  • Orders costing more than  $300 WILL be required to have signature confirmation upon delivery.
  • Handling time is typically only 1 day.   
  • Any item ordered after 1pm Phoenix time, may not ship same-day.
  • Call us if you require expedited shipping and we can give you quotes based on your needs.

Return Policy:

  • All products, except as noted below, are eligible for return up to 30 days after receipt of item.
  • For returns, an RMA form must be filled out HERE or customers can call for additional help.
  • Shipping costs will be deducted from all returned items.
  • Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in. 
  • Items broken, damaged, or inoperable due to installer error will not be refunded.
  • Fill out the return form or give us a call to obtain an RMA and return shipping label.
  • There are no returns on the Pentair Colorsync 618031
  • No returns on pool cleaners.
  • No returns on opened seals and o-rings.
  • No returns on capacitors.
  • If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
  • All products denied upon arrival at customers house WILL be charged the cost to ship.
  • Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.
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