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4.5 out of 5 stars. 86 reviews
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API Algaefix, 8 oz.

API Algaefix, 8 oz.

Item # 140577999

API API Algaefix, 8 oz.
API API Algaefix, 8 oz.

Spend $49.99 to unlock free delivery!

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API Algaefix, 8 oz.

Item # 140577999

API API Algaefix, 8 oz.
API API Algaefix, 8 oz.

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API ALGAEFIX algae control effectively controls many types of algae in aquariums and will not harm to your fish or plants when used as directed. You can use ALGAEFIX algae control as part of your aquarium maintenance routine to control the formation of new algae. Weekly doses will control algae growth and reduce aquarium maintenance. CAUTION: Do not use with freshwater crustaceans including shrimp, crabs, and lobsters.

  • Add 1 ml. for each 10 gallons or 5 ml. for each 50 gallons of aquarium water. Repeat dose every three days until algae is controlled. Siphon or scrape any dead algae from aquarium. Once algae growth is under control, add one dose per week. Weekly doses will control algae growth and reduce aquarium maintenance.
  • Caution: Do not use with freshwater crustaceans, including shrimp, crabs and lobsters

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Reviews

Rating Snapshot

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59 reviews with 5 stars.
14 reviews with 4 stars.
8 reviews with 3 stars.
3 reviews with 2 stars.
2 reviews with 1 star.

Overall Rating

4.5

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Summary of Reviews

AI-generated from customer ratings & reviews, and may include incentivized reviews.
Customers overwhelmingly praise this algae treatment for rapidly clearing green water and eliminating algae from glass, rocks, and plants, with visible improvements within days and clarity lasting weeks. Most find it safe for fish when dosed correctly, noting their fish remain healthy and active. Ma...
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This summary is AI-generated from ratings and reviews across multiple languages.
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Customer Images and Videos

1 to 4 of 86 Reviews .
1 – 4 of 86 Reviews
Review 1

Eh

17 days ago
I didn’t really think the performance was very good. I used it in my tank but didn’t see any improvement to the algae. After using this product I also had several fish die, I’m not sure if it was related or not.

Originally posted on apifishcare.com

Review 1

Great for cleaning

a month ago
API AlgaeFix worked really well in helping control algae in my aquarium.I noticed a visible improvement within a few days , and the water looks much cleaner. Just be sure to follow the instructions carefully and monitor your tunk during treatment. It’s easy to dose and effective when used as directed

Originally posted on apifishcare.com

Review 1

Works great

a month ago
Worked great..quickly cleared the water in the tank.. it was safe for my fish too. It did not harm my plants either. I recommend giving this product a try

Originally posted on apifishcare.com

Review 1

Reduces algae in fish tank!

3 months ago
Works great it my fresh water aquarium. I observe less algae after using it. Didn’t notice any major issues with plants during use of this product. Definitely recommend using it

Originally posted on apifishcare.com