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Bio Ouster 3in1 Weekly Cold Plunge Water Treatment - Cleaner, Clarifier, and Softener for Cold Plunge and Ice Bath - Water Stabilizer for Fresh, Crystal Clear Water - Made in USA (32oz)

  • Based on 315 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Friday, Mar 20
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Features

  • 3-in-1 Weekly Treatment: This cold plunge water treatment combines a powerful cleaner, clarifier, and softener in one formula, ensuring your cold plunge water stays crystal clear, fresh, and free of gunk or build-up. Perfect for maintaining water quality week after week.
  • Professional-Grade Formula: Designed with maximum strength to deliver outstanding water clarity and quality. This septic system-safe cold plunge cleaner works effectively without the need for draining, making it a convenient solution for all cold plunge accessories.
  • Suitable for All Cold Plunges: Whether you have an acrylic, portable, inflatable cold plunge, ice barrel, or pod, this ice bath cleaner is formulated to work across all types, providing the same level of cleanliness and water clarity every time. Works with
  • Made in the USA & Safe to Use: Proudly made in the USA with rigorous quality control. Follow the safety instructions for worry-free use, knowing your cold plunge water is clean, safe, and ready for use.
  • Economical and Long-Lasting: The 32 oz bottle provides up to 32 doses, offering great value for maintaining your cold plunge over time. With simple weekly application, you can enjoy consistently clean and refreshing water, plunge after plunge. Ideal for those seeking reliable ice bath accessories.

Brand: Bio Ouster


Liquid Volume: 946 Milliliters


Item Weight: 1.01 Kilograms


Item Form: Liquid


Manufacturer: Bio Ouster


Product Dimensions: 3 x 3 x 9 inches


Item Weight: 2.23 pounds


Manufacturer: Bio Ouster


Item model number: OS-PCL-32


Date First Available: August 8, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Mar 20

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Does what it says
Been using for about a month now. So far so good, water is still clear and clean.
Reviewed in the United States on January 11, 2026 by Brandon

  • Great for our cold plunge
This product works great! I’ve been using it in my cold plunge and it really helps keep the water fresh, clean, clear, with no odor. Super easy to use just add it in weekly and it does the job. I love that it’s a 3-in-1 treatment, which saves time and makes maintenance simple. Definitely recommend if you want to keep your plunge water looking and feeling great! Came wrapped up securely no leaks. Good price. Size last us all month in our cold plunge. ... show more
Reviewed in the United States on September 11, 2025 by Whit

  • So far, good
Only used a few times in my cold plunge. No smell and seems to have kept water fresh
Reviewed in the United States on November 12, 2024 by Yvette

  • exactly as advertised did not disappoint
awesome product I cannot believe how much longer my water lasted by adding this product. Everything was crystal clear for months. I will definitely buy again when I'm out of this product. Should last me a long time.
Reviewed in the United States on January 4, 2026 by Frank McNally

  • Works well and easy to use
Works well for cold plunge water and helps keep it clean and clear. Overall, I’m happy with this water treatment.
Reviewed in the United States on January 5, 2026 by Abraham M

  • Quality product
Works great in our plunge pool. The filters last much longer after we started adding this product.
Reviewed in the United States on November 11, 2025 by Eric C. Konneker

  • Ok product
Left a build up on my ice bath tub.
Reviewed in the United States on July 5, 2025 by Jose Frias

  • Works great
This product works great. My cold plunge water stays clear all month long. It does not stain my tub my skin or anything else.
Reviewed in the United States on December 25, 2025 by Holly B.

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