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Latest News: Registration Now Open for the 24th Annual Carus Summer Science Camp
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A winter landscape with a snow-covered riverbank and bare trees. The sun sets on the horizon, casting a warm glow over the snowy ground and partially frozen river. Dark clouds scatter across the sky, adding contrast to the orange hues of the sunset.

Cold Weather Advisory: Ensuring Safe and Reliable Product Deliveries

October 22, 2025

As winter sets in across the northern hemisphere, Carus would like to remind our customers of the potential challenges cold weather can pose for shipping certain freeze-sensitive products. Prolonged periods of freezing temperatures may impact the transportation of the following products:

Sodium Permanganate Products

  • CARUSOL® liquid permanganate
  • CARUSOL® C liquid permanganate
  • RemOx® L ISCO reagent
  • LIQUOX® sodium permanganate

Phosphate Products

  • CARUS™ water treatment chemicals
  • AQUA MAG® blended phosphates
  • CALCIQUEST® water treatment chemicals
  • AQUADENE® blended phosphates

To help ensure your orders arrive on time and in excellent condition during the cold months, we recommend the following:

  • Plan Ahead: Allow extra time for potential shipping delays when temperatures drop below freezing.
  • Strategic Scheduling: Schedule shipments early in the week to reduce the risk of products being held in transit over the weekend.
  • Carrier Selection: Consider working with your preferred freight carrier to align with your specific shipping needs.

Our team is actively monitoring weather conditions and working closely with carriers to minimize disruptions. Should delays occur, we will communicate with you promptly to keep you informed.

Below, you’ll find downloadable data sheets containing detailed cold weather advisory information for our sodium permanganate and phosphate products:

  • Sodium Permanganate Product Cold Weather Advisory (PDF)
  • Phosphate Product Cold Weather Advisory (PDF)

We appreciate your partnership and trust in Carus as we work together to navigate the winter season. If you have questions or require assistance, please don’t hesitate to reach out.

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