Pond Boss The Block Water Care, 5-lb block

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About This Item

Details

  • Increases water clarity by minimizing debris.
  • Reduces odors caused by hydrogen sulfide, dead plant material, and fish waste.
  • Gradually minimizes ammonia and nitrogen levels.
  • Aims to dissolve organic sludge, which forms from decaying nutrients.
  • Improves oxygen levels by chipping away at the sludge layer.

Instructions

Questions & Answers

8 Customer Questions

Is this product safe for animals & Livestock to drink from?

Answer by Chewy • Jun 18, 2022
This 5 pound block is safe for plant, fish, and wildlife when used as directed.

Is it safe to put it in with fish in the pond? Will it hurt or even kill the fish?

Answer by Chewy • May 28, 2022
This product increases water clarity, reduces noxious odors caused by hydrogen sulfide, dead plant material, and fish waste, reduces ammonia and nitrogen levels. Most importantly, the block is safe for fish, plants, and wildlife.

does this kill pond algae

Answer by Chewy • May 16, 2022
We recommend treating it with an algaecide first and then a week later place the Pond Boss block in the pond for better results.

How is 5-acre feet of water calculated?

Answer by Chewy • May 22, 2025
5 acre-feet of water is equivalent to 1.6 million gallons.
Reviews
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4.2
Rated 4.2 out of 5 stars
26 Ratings
Terms & Conditions

15 Customer Reviews

Rated 5 out of 5 stars
By Kelby on Aug 20, 2025

Our pond is finally clear!

After pouring lots and lots of chemicals into our pond to rid the moss and algae, we were informed by a friend to try this Pond Boss and it worked great! All you

After pouring lots and lots of chemicals into our pond to rid the moss and algae, we were informed by a friend to try this Pond Boss and it worked great! All you do is glove up, unwrap it and throw it in to the center of the pond and it does the rest. Will definitely be buying this again!!

Rated 3 out of 5 stars
By Denise on Aug 19, 2025

Messy

Ugh, what a mess this made. The water never cleared, and was much, much worse with big gobs of greasy-looking schmutz floating all over. It did nothing to help with

Ugh, what a mess this made. The water never cleared, and was much, much worse with big gobs of greasy-looking schmutz floating all over. It did nothing to help with the water clarity.

Rated 5 out of 5 stars
By Roxie on Aug 21, 2025

How quickly it worked

We put this pond in 19 years ago. What a struggle we have had keeping it clear. It is amazing I now can see the fish. I am enjoying my pond again

We put this pond in 19 years ago. What a struggle we have had keeping it clear. It is amazing I now can see the fish. I am enjoying my pond again

Rated 2 out of 5 stars
By RuAnn on Jun 30, 2025

not impressed

very disappointed in this product... it did NOT perform as I expected nor give the results it boasted about

very disappointed in this product... it did NOT perform as I expected nor give the results it boasted about

Rated 5 out of 5 stars
By Robyn on Apr 20, 2025

Clean pond!

There was something killing my fish in my pond, dropped this block in it & now it’s all clear & my fish are happy

There was something killing my fish in my pond, dropped this block in it & now it’s all clear & my fish are happy

Rated 5 out of 5 stars
By Deanne on Apr 6, 2025

Great product

We have used this product for over 3 years and it work great to clean the bottom of our pond

We have used this product for over 3 years and it work great to clean the bottom of our pond

Rated 1 out of 5 stars
By Candy on Jul 21, 2024

Pond boss disappointment

Paid alot of money for something that made absolutely no change in our pond. We read the Info on the site and it did nothing to help clean it up. I felt it was a

Paid alot of money for something that made absolutely no change in our pond. We read the Info on the site and it did nothing to help clean it up. I felt it was a waste of money.

Rated 5 out of 5 stars
By Rosanne on Jun 27, 2024

Work on 6 acre pond.

We used two to see how well works and cleared 6 acre pond to about 4 -5 feet deep. Could see our feet. So am adding two more same month. Pond is 24 feet deep in

We used two to see how well works and cleared 6 acre pond to about 4 -5 feet deep. Could see our feet. So am adding two more same month. Pond is 24 feet deep in deepest area. Will need about 6

Rated 4 out of 5 stars
By DONNA on Oct 22, 2024

Seems to be working

Pond was neglected so it's great to see some improvement.

Pond was neglected so it's great to see some improvement.

Rated 4 out of 5 stars
By Steven on Aug 9, 2024

muck remover

It brought the muck level down in my pond and actually cleared up the water better.

It brought the muck level down in my pond and actually cleared up the water better.