Tetra Algae Control Aquarium Water Treatment, Controls Algae in Aquariums, 1.69 oz.
Tetra Algae Control Aquarium Water Treatment, Controls Algae in Aquariums, 1.69 oz.
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Tetra Algae Control Aquarium Water Treatment, Controls Algae in Aquariums, 1.69 oz.

Key item features

  • CONTROLS ALGAE: Liquid formula effectively combats algal blooms that cause green water.
  • KEEPS GLASS AND DÉCOR CLEAN: Works against algae that grow on glass and décor, such as blue-green algae, brown algae, hair algae and blanket weed.
  • SAFE FOR PLANTS AND FISH: Safely use Tetra® Algae Control™ formula in planted aquariums as directed. 
  • USAGE: Use 1 mL for every 12 gallons of aquarium water.
  • APPLY IN THE MORNING: See product label for complete directions.
Current price is $4.97$2.94/fl oz
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Customer ratings & reviews

4.2 out of 5 stars
stars338 ratings104 reviews
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Reviews summary

Pros

  • : Product has an attractive and modern look.
  • : Offers affordable options compared to similar products.

Neutral

  • : Can be unclear, but often straightforward when read carefully.
  • : Can be effective, but may require frequent maintenance.

Cons

  • : Fails to restrict algae growth and may cause discoloration.
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Showing 1-3 of 104 reviews

Nov 11, 2025
Lonzo
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Shalom. as long as you read the directions it's pretty straightforward and understanding the size of your tank. the positive about this is that it actually does prolong the water change or rather than need for a water change. however it can also make you lackadaisical about cleaning the tank as you can get completely lost in time because the water looks clear. I noticed it was over a month before I changed the water and the only reason why I changed it was because I noticed that discoloration in the sand and not actually on the glass or even that much in the water.

Helpful?1874cb80-0887-11f0-9324-cdfba8423f8610313013
May 27, 2026
anonymous
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

This works really well in a variety of allgaes . Just be sure to do the water change after treatment or your fish will die.

Helpful?1874cb80-0887-11f0-9324-cdfba8423f8610313013
Jan 16, 2026
Tonya
Top Reviewer
Item details
Multipack quantity: 3
5 out of 5 stars review

Verified Purchase

Good for algae control

Easy to use. Instructions are on the bottle and easy to understand. It has had the algae under control since using it.

Helpful?1874cb80-0887-11f0-9324-cdfba8423f8610313013