CLR Brands Clog Preventer Monthly Build Up Remover, 42 oz. Bottle, Drain Cleaner
CLR Brands Clog Preventer Monthly Build Up Remover, 42 oz. Bottle, Drain Cleaner
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CLR Brands Clog Preventer Monthly Build Up Remover, 42 oz. Bottle, Drain Cleaner

4.1 stars out of 179 reviews
(4.1)|
179 ratings
CLR Brands Clog Preventer Monthly Build Up Remover, 42 oz. Bottle, Drain CleanerCLR Clog Preventer Monthly Household Liquid Drain Opener and Care 42 fl oz
Size:42 fl oz

Key item features

  • Prevents Build-Up: CLR Brands Clog Preventer degrades oils, grease, proteins, and fatty acids to prevent pipe buildup.
  • Monthly Maintenance: Use this drain cleaner monthly in sinks, toilets, showers, drains, garbage disposals, and grease traps.
  • Septic Safe: Safe for all pipes and septic systems, this product is also fragrance-free, ensuring safety for people, pets, and the environment.
  • EPA-Certified: Recognized by the EPA's Safer Choice Program, this product contains no phosphates, ammonia, or bleach.
  • Trusted Brand: CLR Brands has been a staple in US households for over 50 years, known for effective and safe cleaning solutions.
  • Versatile Use: Suitable for various household applications, including sinks, toilets, showers, and grease traps.
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was $14.99
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Columbus, 43215
Arrives by Thu, Feb 26
Sold by CLR Brands
Fulfilled by Walmart
4.5 stars out of 5, based on 86 seller reviews(4.5)
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Customer ratings & reviews

4.1 out of 5 stars
stars179 ratings87 reviews
How item rating is calculated
  1. 5 stars60% (107)
  2. 4 stars16% (28)
  3. 3 stars9% (17)
  4. 2 stars4% (8)
  5. 1 star11% (19)

Reviews summary

Pros
  • : Quickly improves drain flow and removes build up.
  • : Has a light scent.
  • : Offers affordable options compared to similar products.
Neutral
  • : Can be effective, but may struggle with stubborn clogs.
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Showing 1-3 of 87 reviews

Sep 30, 2025
Colleen
Top Reviewer
Item details
Size: 42 fl oz
Sold byCLR BrandsDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Keeps the kitchen drain smelling fresh and flowing

I was so glad to find this CLR Clog Preventer. I've been concerned about the drain pipes from the kitchen sink. As hard as you try to stop it, there is always stuff going down the drain. Keeping the pipes treated will really help solve slow draining as well. Glad I found it on Walmart.com when doing my grocery shopping.

Helpful?0RDIEVMPFNGK631639349
Nov 7, 2025
Sherri
Item details
Size: 42 fl oz
Sold byCLR BrandsDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Works great on hair clogs too

Helped with my stopped up shower.

Helpful?0RDIEVMPFNGK631639349
Sep 28, 2020
Daniel
5 out of 5 stars review

Verified Purchase

Wanted a product that would be easy on our 50 year old cast iron sewer main. Safe to say this stuff works, and results are impressive! Left it in the kitchen, shower, and bathroom sink drains overnight and the next morning, the drain flow was noticeably faster! Very impressed and not a waste to do once or twice a month.

Helpful?0RDIEVMPFNGK631639349