Tetra Pond AlgaeControl Water Treatment

By Tetra
Rated 4.08 out of 5 stars
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Tetra Pond AlgaeControl Water Treatment, 101.4-oz bottle slide 1 of 6
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About This Item

  • Safe for use with fish and plants
  • Treats algae and algae blooms
  • Concentrated formula treats more water than other brands
  • Do not use in ponds with invertebrates or crustaceans
  • Algae control solution for ornamental ponds with plants & fish
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Fish TypeKoi & Pond FishKoi & Pond FishKoi & Pond FishKoi & Pond FishKoi & Pond Fish
Aquarium TypePondPondPondPondPond

Questions & Answers

9 Customer Questions

Is this safe in ponds for catfish to be eating ? How many gallons will this treat ?
Answer by ChewyOct 21, 2017
This product is safe for use with fish and plants.

Is this harmful to dogs who dring out of the Koi pond?
Answer by ChewyMay 02, 2021
 There has not been any research done on its effects on dogs, cats or wildlife of any kind. It is recommended to not allow dogs and cats to drink from backyard ponds in general due to the ability to pick up parasites and other illnesses from them. We advise keeping them away while using this product, since it is intended for fish and pond plants only.

After doing 3 treatments how long do I have to wait to treat again?
Answer by ChewyAug 12, 2020
If you are addressing a problem, dose every three days or 72 hours, up to 3 total doses, then give the pond a week off from it. One or two doses is usually enough. Make sure you have plenty of water movement, aeration and filtration. For maintenance purposes, dose whenever you start seeing algae forming or at most, once a week.

Is this safe to use in pools for ducks
Answer by ChewyDec 12, 2019
This treatment is only for use in fountains and ornamental ponds with synthetic liners.

ReviewsWrite a Review

Rated 4.08 out of 5 stars
25 Reviews
Would recommend to a friend

25 Customer Reviews

Rated 5 out of 5 stars
By Annie on Sep 8, 2022

Works great for our small turtle pond

This works well for our small backyard turtle pond. Just follow the directions and use the correct measurement. It clears up the occasional algae issue within a few days.

Rated 5 out of 5 stars
By largekoipond on May 12, 2022

Quick result, fish safe, algae hasn’t returned

Had a lot of stringy/bubbly algae that was difficult to remove in an approximately 7,000 gallon koi pond. In previous years I was able to manually remove the surface algae but this year it was a type that couldn’t fully be removed by a pool skimmer or rake. I did a lot of research to find something fish and aquifer safe and this was the best-priced option. It only took one treatment to remove the algae and it hasn’t come back. Also used a muck/sludge treatment simultaneously and haven’t noticed any additional waste. It fully cleared after two days with a constant running filter. The fish are still healthy and we can actually see them again. It didn’t totally obliterate all of the algae so they have a bit to feed on along the areas with plants. It only needed one treatment so we have a lot left to use in future years.

Rated 5 out of 5 stars
By Paula on Apr 29, 2022

It works like it says!

We have a 300 gallon bait tank that was getting way too much algae. We did 2 treatments and it cleared everything up.

Rated 5 out of 5 stars
By raul on Apr 30, 2022

Algae control

Have used this product for years. Always works well.

Rated 3 out of 5 stars
By kimmy on Sep 11, 2021

worked somewhat

I used as directed ,it definitely made a difference in the color of my pond but did not totally clear the green color. controlled it so it did not get any worse so all in all it did work, but I should have bought a 2nd jug to do it again

Rated 5 out of 5 stars
By ZoeL on May 11, 2021

for hopeless cases

We are renting a house with a koi pond that has not been maintained in years. The water was like soup. We got fed up with it and bought a proper pump and filter, scraped and scraped all the leaves and muck out that we could, but the water was still murky green soup. We followed the directions and gave it three days of this treatment and the water is actually looking a lot clearer! I think it’ll take many filter cleanings and some new plants to get it all the way there, but this product made a huge impact.

Rated 5 out of 5 stars
By Rossella18 on May 28, 2021

It works great !!

Truly amazing stuff ,my husband put on the pond and within a few days the algae was disappearing and chewy never ever fails to deliver super fast !!

Rated 5 out of 5 stars
By Stringman on Aug 3, 2021

Just started using this product

I hope it works as it is touted but only time will tell.

Rated 5 out of 5 stars
By SuzyQ on Apr 17, 2021

Algae Control Water Treatment

I had a bad problem with algae due to me not doing what I was supposed to do over the winter months. This product has really helped me clear up my pond.

Rated 5 out of 5 stars
By Claudia on Feb 23, 2021

Pond algae control

It works very well. It's important to follow instructions , especially if you need to get your algea under control