API Pond-Zyme Sludge Destroyer Pond Sludge Remover, 16-oz bottle - Chewy.com

API Pond-Zyme Sludge Destroyer Pond Sludge Remover

By API
Rated 4.0588 out of 5 stars
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API Pond Algaefix Algae Control Solution, 1-gal bottle & API Pond-Zyme Sludge Destroyer Pond Sludge Remover, 16-oz bottle
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About This Item

Details

  • All-natural additive uses specially selected bacterial strains to break down fish waste and dead algae.
  • Breaks down and digests leaves and grass clippings that can fall into your pond.
  • Removes and clears cloudy water, sludge build-up and debris that clogs pumps and filters.
  • Designed for ornamental pond use and comes in multiple sizes to best serve your pond needs.
  • Safe for all pond fish, plants and wildlife, and reduces pond maintenance.

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Instructions

FAQ

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$30.38Chewy Price
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Fish TypeKoi & Pond FishKoi & Pond FishKoi & Pond FishKoi & Pond FishKoi & Pond Fish
Aquarium TypePondPondPondPondPond

Questions & Answers

13 Customer Questions

Should we turn off the pond pump to give this product time to sink before the skimmer pulls it in? Ty
Answer by Chewy • Mar 30, 2018
The pump should be left on when using this product.
How many gallons does the 16oz bottle treat? Our pond is approximately 650 gallons.
Answer by Chewy • Mar 23, 2019
The 8 ounce container treats 8,000 gallons and the 16 ounce container treats 16,000 gallons.
I have two alge eater's will it be ok to use this product in My pound?
Answer by Chewy • Jun 18, 2018
This all-natural additive uses specially selected bacterial strains to break down fish waste and dead algae. It is safe for all pond fish, plants and wildlife, when used as directed.
What is the end of season for this product?
Answer by Chewy • Aug 15, 2022
We would recommend to add 4 teaspoons per 200 U.S. gallons of API Pond Zyme twice a week for two weeks for spring start up and end of season application.

ReviewsWrite a Review

4.1
Rated 4.0588 out of 5 stars
17 Reviews
76%
Would recommend to a friend
1
11.7647
12%
2
11.7647
12%
3
0
0%
4
11.7647
12%
5
64.7059
65%

17 Customer Reviews

Filter by reviews that mention
Rated 2 out of 5 stars
By Tyleete on Jul 3, 2022

works but animals hate it

I had a big problem with algae in the pond I built for the wildlife. I get tons of raccoons, possums, & deer. Even with the algae they came every day to drink. Not so much after I put this in. After 2 treatments (3 days apart), the animals are now refusing to swim or drink in it. Cleared the pond up 75%, but if you've got anything drinking out of it look elsewhere. Now I'm going to have to drain it down to get rid of most of the water.

Rated 2 out of 5 stars
By Susan on Mar 9, 2022

Not what I purchased

Product form states tablet which is what I wanted but this is powder. Decided to try it anyway and so far it is just floating on top of the water 2 days after I put it in.

Rated 5 out of 5 stars
By Cleat on Feb 12, 2022

Long time user.

I have a medium sized KOI pond with various numbers of fish. I have used POND-ZYME for years and will not use another product. It does the job.

Rated 5 out of 5 stars
By Pond on Aug 12, 2021

Pea soup Pond

I have had a pond for 12 years very hard to keep clear I figure I try this product one container to see if it works and I found that after two weeks it’s GREAT so order two more for stock

Rated 4 out of 5 stars
By Lucinda on Apr 10, 2021

Helps With Spring Start Up

I use Pond-Zyme Sludge Destroyer in the Spring when the weather warms up. It helps to rid the pond of the gunk that builds up over the winter. The only drawback is that you will need to use it weekly until you have achieved the desired effect. I suppose some folks continue use. I stop once my pond is clear again.

Rated 5 out of 5 stars
By Koiqueen on Jul 19, 2020

Dirty Water

I have a very large pond w/two waterfalls and an over population of over sized fish. I use this every time I clean the filter and it really breaks down the waste and helps keep the water clean. I have to use more than the directions suggest to get the necessary results. And I don't have to travel across town to a pet shop to get it.

Rated 4 out of 5 stars
By Henriludo on Jun 21, 2020

Better with other product

Do not expect this product to clear the pond water by itself. If sprinkled on the water, it ends up in the filter eventually. It seems that sprinkling the powder in the cascade helps mixing with the water. It works better with an algaecide, but in summer, even with the enzymes and beneficial bacteria, UV light and copper ions, the sludge and algae can only be controlled. Still somewhat helpful.

Rated 5 out of 5 stars
By Tcst on Jul 15, 2020

Be patient

At first I wasn't sure if it would work, but near the end of the first two weeks, the water was almost crystal clear!

Rated 1 out of 5 stars
By Gracie on Jun 22, 2020

Unhappy with product

Used it for two weeks and pond water is still dilthy. Will use up product and if no improvement will not use again.

Rated 1 out of 5 stars
By Swest1993 on Mar 24, 2020

Do not use

I used this product in my fish pond and 3 of my two year old fish died. I used less than the recommended amount. There were no other chemicals in the pond. This products is not safe for fish or the dead bullfrog that had lived in the pond. I emptied the 200 gallon pond. Hopefully my remaining fish will live. Not happy.