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expiredphoinix | Staff posted Jul 19, 2026 5:52 PM

16-Oz Instant Power Toilet Tank Cleaner

$2.65

$5.28

49% off
Amazon
24 Comments
10.7K Views
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Deal Details
Amazon has 16-Oz Instant Power Toilet Tank Cleaner for $2.64. Shipping is free w/ Prime or on $35+ orders

Walmart has 16-Oz Instant Power Toilet Tank Cleaner for $2.64. Shipping is free w/ Walmart+ (free trial) or on $35+ orders

Thanks to Deal Hunter phoinix for finding this deal.

Features:
  • Removes toilet-holding tank build-up caused by rust, lime and calcium
  • Easily removes calcium and rust deposits from moving parts
  • Water tank cleaner can help prolong lifespan of toilet
  • No need for scrubbing: simply leave in tank overnight, and let it get to work
  • Leaves behind a pleasant, fresh scent

Editor's Notes

Written by powerfuldoppler | Staff
  • About this deal:
    • Our research indicates that this offer is $3.22 lower than the next best available price from a reputable merchant with prices starting from $5.86
  • About this store:

Original Post

Written by phoinix | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Amazon has 16-Oz Instant Power Toilet Tank Cleaner for $2.64. Shipping is free w/ Prime or on $35+ orders

Walmart has 16-Oz Instant Power Toilet Tank Cleaner for $2.64. Shipping is free w/ Walmart+ (free trial) or on $35+ orders

Thanks to Deal Hunter phoinix for finding this deal.

Features:
  • Removes toilet-holding tank build-up caused by rust, lime and calcium
  • Easily removes calcium and rust deposits from moving parts
  • Water tank cleaner can help prolong lifespan of toilet
  • No need for scrubbing: simply leave in tank overnight, and let it get to work
  • Leaves behind a pleasant, fresh scent

Editor's Notes

Written by powerfuldoppler | Staff
  • About this deal:
    • Our research indicates that this offer is $3.22 lower than the next best available price from a reputable merchant with prices starting from $5.86
  • About this store:

Original Post

Written by phoinix | Staff

Community Voting

Deal Score
+45
Good Deal
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Top Comments

Mr.Keroro
799Comments
98Reputation
The simplest way to clean the toilet tank is to use citric acid powder (yes it is also a cooking ingredient) and warm water. Do NOT use hot boiling water. It will crack porcelain. Turn off supply water. Flush. Pour a cup of citric acid powder. Pour warm water to fill the tank. Wait an hour. It will clean the tank amd repeat twice if there are tough stains. This cleans but doesn't prevent like the product mentioned here.
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24 Comments

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Jul 22, 2026 11:12 PM
304 Comments
Joined Feb 2008
poorSAPJul 22, 2026 11:12 PM
304 Comments
Is this similar to CLR?
Jul 23, 2026 4:34 AM
151 Comments
Joined Dec 2021
kelpe1925Jul 23, 2026 4:34 AM
151 Comments
You need to clean the tank....? I've been doing it all wrong.
5
1
Jul 23, 2026 2:39 PM
799 Comments
Joined May 2009
Mr.KeroroJul 23, 2026 2:39 PM
799 Comments

Our community has rated this post as helpful. If you agree, why not thank Mr.Keroro

The simplest way to clean the toilet tank is to use citric acid powder (yes it is also a cooking ingredient) and warm water. Do NOT use hot boiling water. It will crack porcelain. Turn off supply water. Flush. Pour a cup of citric acid powder. Pour warm water to fill the tank. Wait an hour. It will clean the tank amd repeat twice if there are tough stains. This cleans but doesn't prevent like the product mentioned here.
9
1
Jul 23, 2026 2:41 PM
922 Comments
Joined May 2008
nicktoday8Jul 23, 2026 2:41 PM
922 Comments
Is this stuff bad for the pipes?
Jul 23, 2026 2:55 PM
467 Comments
Joined Aug 2014
IShouldBuyIndxFundsJul 23, 2026 2:55 PM
467 Comments
Quote from nicktoday8 :
Is this stuff bad for the pipes?
Pipes? No. Could be tough on the flapper though. Most flappers don't like bleach so this is probably better than using the blue cleaner tablets.
1
Jul 23, 2026 2:57 PM
773 Comments
Joined Dec 2014
JellyBellyMDJul 23, 2026 2:57 PM
773 Comments
What are the ingredients?
Jul 23, 2026 3:11 PM
33 Comments
Joined Jan 2020
NeatCatfish160Jul 23, 2026 3:11 PM
33 Comments

Our community has rated this post as helpful. If you agree, why not thank NeatCatfish160

It's a deal but this is just citric acid and "stuff". Cheaper than and smells less than a couple gallons of vinegar. This will get rid of scale but not rust. Use "iron out" for rust.
2

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Jul 23, 2026 3:38 PM
3.7K Comments
Joined Dec 2008
clinteastwoodJul 23, 2026 3:38 PM
3.7K Comments
This product is unnecessary in any home I've ever been in, and might be even harmful to the tank components. Your gaskets and seals inside the tank will need to be replaced eventually anyway, the flapper and fill valve, clean the tank out when you do that.

Whatever deposits can build up in a tank usually get flushed out anyway.
2
Pro
Jul 23, 2026 3:59 PM
1.4K Comments
Joined Jun 2024
TheCosmoKramer
Pro
Jul 23, 2026 3:59 PM
1.4K Comments
If you need, you're using the wrong bowl.
2
Jul 23, 2026 4:02 PM
2.2K Comments
Joined Dec 2005
nohomers1Jul 23, 2026 4:02 PM
2.2K Comments
Quote from clinteastwood :
This product is unnecessary in any home I've ever been in, and might be even harmful to the tank components. Your gaskets and seals inside the tank will need to be replaced eventually anyway, the flapper and fill valve, clean the tank out when you do that.

Whatever deposits can build up in a tank usually get flushed out anyway.
I've found it useful every few years, as there tends to be a bit of mildew that collects around the evaporation ring and some film that accumulates on the hardware in the tank.

This is a good price for this unless one has a larger need for citric acid and buys it in bulk.
Jul 23, 2026 4:34 PM
52 Comments
Joined Oct 2017
jcyoun33Jul 23, 2026 4:34 PM
52 Comments
Is this ok to use for folks on septic?
Jul 23, 2026 4:56 PM
12K Comments
Joined Sep 2007
RugerRedhawkJul 23, 2026 4:56 PM
12K Comments
Quote from jcyoun33 :
Is this ok to use for folks on septic?
Septic aside, it's not necessary. Your toilet manufacturer probably says not to use it.
Jul 23, 2026 5:46 PM
16 Comments
Joined Aug 2016
suprshopr123Jul 23, 2026 5:46 PM
16 Comments
What is with the pill bottle packaging? This is like the Fubuloso that comes in juice jugs
1
Jul 23, 2026 6:06 PM
14 Comments
Joined Aug 2019
BeigeOstrich5184Jul 23, 2026 6:06 PM
14 Comments
Quote from suprshopr123 :
What is with the pill bottle packaging? This is like the Fubuloso that comes in juice jugs
Exactly my same thoughts 🤣 WTH!

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Jul 23, 2026 6:42 PM
77 Comments
Joined Jan 2019
Deli-chanJul 23, 2026 6:42 PM
77 Comments
Quote from TheCosmoKramer :
If you need, you're using the wrong bowl.
But what if house guests look in my tank? I have a reputation to uphold.
Last edited by Deli-chan July 23, 2026 at 12:28 PM.
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