Tetra Pond Clumping Water Clarifier, 16.9-oz bottle

By Tetra
Rated 4 out of 5 stars
$13.25Chewy Price
$21.19Chewy Price
$12.59Autoship Price
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About This Item


  • Safe for all freshwater ponds
  • Clumps contaminants for easy cleaning
  • Starts to work in minutes so you'll notice results quickly
  • Adding this to your aquarium will allow your filter to work less making it last longer
  • Clears cloudy pond water quickly giving your fish the clear water they deserve

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Fish TypeKoi & Pond FishKoi & Pond FishKoi & Pond FishKoi & Pond FishKoi & Pond Fish
Aquarium TypePondPondPondPondPond

Questions & Answers

1 Customer Questions

Can my cats drink the pond water after application?
Answer by ChewyJun 20, 2019
This water clarifier will not harm pond life and plants, when used as directed. In general, pond water should be avoided by cats because they will likely experience a stomach upset.

ReviewsWrite a Review

Rated 4 out of 5 stars
8 Ratings
Would recommend to a friend

8 Customer Reviews

Rated 5 out of 5 stars
By arlene on Mar 17, 2021

works well

It got rid of most of the algea. The water looks clear and cleaner.

Rated 1 out of 5 stars
By kimberly on Jun 4, 2020


I've used this twice in my pond and once in my 100 gallon aquarium, it does not work. It caused a little bit of foam on the top and that is it. I ended up purchasing underwater filtration for both my pond and my aquarium.

Rated 5 out of 5 stars
By aayer on Oct 11, 2019

Great stuff!

This worked! I put the clarifier in as directed and my 150 gallon pond was clear in less than 8 hours! Whatever was making it cloudy was clumped up at the bottom of the pond, ready to scoop out! Didn’t harm my frogs or plants

Rated 5 out of 5 stars
By JLCO on Nov 25, 2019

Amazing stuff!!!

I used this on my indoor tanks it works in minutes, I recommend this product

Rated 5 out of 5 stars
By Corkie on Jul 6, 2018

Great stuff

Love the results. Our pond is clear for the first time in a long time. We have tried many things that either didn't clear the pond or killed our fish. We will continue to use your product.

Rated 5 out of 5 stars
By Bill on Jul 23, 2017

Worked great!!!!

Had pea soup water from alge bloom couldn't see fish unless they were feeding. Used clarifier and applied as directed, used garden hose to move water around and stirred. Went inside for 30-45 minutes came back and water was completely clear down to the very bottom 3.5 ft. Totally amazed at clearing of water. Will definitely reorder.

Rated 5 out of 5 stars
By Jennifer12 on Mar 22, 2017

Clears up green water fast!

We have a nice size fish pond in our back yard and it gets direct sunlight with little shade so it tends to grow a ton of algae and the water gets very murky. We've tried hay bales and still use these but nothing clears up the water while still keeping our plants and fish safe like Tetra Pond Clumping Water Clarifier!

Rated 1 out of 5 stars
By Angel8685 on Sep 11, 2016

This product doesn't work!

This product is worthless! It doesn't work as it's advertised. I followed the instructions to the letter and it still didn't work. Don't waste your money on Tetra Pond Clumping Water Clarifier.