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forum threadTattyBear | Staff posted Apr 09, 2026 04:36 PM
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forum threadTattyBear | Staff posted Apr 09, 2026 04:36 PM

42 Oz. CLR Brands Clog Preventer Monthly Build Up Remover $6.46 + Free Shipping w/ Prime or on $35+

$6.46

$14

53% off
Amazon
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Amazon [amazon.com] has 42 Oz. CLR Brands Clog Preventer Monthly Build Up Remover for $6.46. Shipping is free w/ Prime or on $35+.

Monthly Maintenance Schedule
  • Sinks & Tubs: Pour 2 oz. (1/4 cup) directly into the drain once a month.
  • Toilets: Pour 2 oz. into the bowl and flush once. Do not use the toilet again for several hours.
  • Garbage Disposals: Pour 2 oz. while the disposal is running with a light stream of water. Turn off the disposal and water immediately to let the product sit in the trap overnight.
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Community Notes
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Amazon [amazon.com] has 42 Oz. CLR Brands Clog Preventer Monthly Build Up Remover for $6.46. Shipping is free w/ Prime or on $35+.

Monthly Maintenance Schedule
  • Sinks & Tubs: Pour 2 oz. (1/4 cup) directly into the drain once a month.
  • Toilets: Pour 2 oz. into the bowl and flush once. Do not use the toilet again for several hours.
  • Garbage Disposals: Pour 2 oz. while the disposal is running with a light stream of water. Turn off the disposal and water immediately to let the product sit in the trap overnight.

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Model: Pipes & Drains 42 Oz

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Apr 10, 2026 01:15 AM
297 Posts
Joined May 2010
Jason1x3Apr 10, 2026 01:15 AM
297 Posts
Can this be used monthly in the AC condensation drip pipe
Apr 10, 2026 01:29 AM
2,039 Posts
Joined Feb 2007
techie333Apr 10, 2026 01:29 AM
2,039 Posts
Can't imagine this does anything if it requires you to flush it down drain with water vs draino sitting in drain for a bit
Apr 10, 2026 03:18 PM
150 Posts
Joined Oct 2017
rahvishApr 10, 2026 03:18 PM
150 Posts
Seems to be selected accounts only
Apr 10, 2026 11:12 PM
1,989 Posts
Joined Sep 2014
Coconutz0311Apr 10, 2026 11:12 PM
1,989 Posts
No coupon available
Apr 11, 2026 12:28 AM
1,448 Posts
Joined Feb 2008
likenewApr 11, 2026 12:28 AM
1,448 Posts
Quote from techie333 :
Can't imagine this does anything if it requires you to flush it down drain with water vs draino sitting in drain for a bit
I've never used it, but based off of the name/title, it is for a different purpose than your average draino product. Draino being something to hopefully fix a clog, this is to prevent them. I imagine it does something similar to the copper sulfate that I pour down my toilet before bed....which I'm suppose to do once a month but often forget for months. To kill or slow down roots so my basement floods slightly less often.

Oh, and also no coupon for me.

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