Customer Reviews

Rating: 4.0 of 5 stars 57 Reviews 57 Reviews 4.1 out of 5 Stars

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88% Recommend

88% of reviewersrecommend this product

Rating: 4.0 of 5 stars 4.1 / 5

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API Algaefix Algae Control Aquarium Solution

API Algaefix Algae Control Aquarium Solution

  • Most Helpful Positive Review

    Read All 45 Positive Reviews

    Super clear tank in just a few hours!

    By Shelbysp on Aug 3, 2021

    Our fish tank started to get super cloudy and greenish/yellow colored and seemed to be getting worse. I ordered algaefix and in just 2 days I recieved it. The tank started clearing up 30 minutes after putting it in. In about 2 hours, my fish tank has never been this clear! My fish seem to be doing Our fish tank started to get super cloudy and greenish/yellow colored and seemed to be getting worse. I ordered algaefix and in just 2 days I recieved it. The tank started clearing up 30 minutes after putting it in. In about 2 hours, my fish tank has never been this clear! My fish seem to be doing great also. I did not clean out the tank or do a water change since my levels were pretty normal despite the algae. … more

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  • Most Helpful Critical Review

    Read All 12 Critical Reviews

    Dead/dying fish

    By Fishy16 on Apr 2, 2021

    Have a 36 gallon bow front, added a little less than 3.5 ml per dosing instructions. Repeated 3 days later with a small water change because some of the fish seemed stressed. Algae started dying...but so did my fish!!! Have been cleaning off dead algae and done two more 30% water changes. Lost 75% of Have a 36 gallon bow front, added a little less than 3.5 ml per dosing instructions. Repeated 3 days later with a small water change because some of the fish seemed stressed. Algae started dying...but so did my fish!!! Have been cleaning off dead algae and done two more 30% water changes. Lost 75% of my bottom feeders and 3 top feeders. Will not be using this anymore. Quite saddened. :( … more

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57 Reviews

Showing 1-10 of 57 Reviews

  • 5 out of 5 stars

    works like a charm!!

    By on

    our fish tank was so cloudy and green. could barely see our 3 goldfish that we’ve had for 2 years. added the recommended drops of these to my tank and the water is much more clear. i still need to change the water but as i wait for my water pump, i am using this meanwhile!

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  • 5 out of 5 stars

    Super clear tank in just a few hours!

    By on

    Our fish tank started to get super cloudy and greenish/yellow colored and seemed to be getting worse. I ordered algaefix and in just 2 days I recieved it. The tank started clearing up 30 minutes after putting it in. In about 2 hours, my fish tank has never been this clear! My fish seem to be doing great also. I did not clean out the tank or do a water change since my levels were pretty normal despite the algae.

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  • 5 out of 5 stars

    Keep your pool clean

    By on

    It keeps the algae in our fish ponds. When we don’t use it we have awful green algae in the water. It’s safe for gold fish too.

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  • 5 out of 5 stars

    Algae control

    By on

    The tank looks great & all occupants are healthy. I will continue to use this product.

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  • 1 out of 5 stars

    Dead/dying fish

    By on

    Have a 36 gallon bow front, added a little less than 3.5 ml per dosing instructions. Repeated 3 days later with a small water change because some of the fish seemed stressed. Algae started dying...but so did my fish!!! Have been cleaning off dead algae and done two more 30% water changes. Lost 75% of my bottom feeders and 3 top feeders. Will not be using this anymore. Quite saddened. :(

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  • 1 out of 5 stars

    didnt work

    By on

    didnt work, only thing it did was turn my black gold fish blue and make them rub against gravel

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  • 5 out of 5 stars

    API Algaefix

    By on

    I had severe algae bloom after fertilizing aquarium plants, phosphorus level was treated to normal, no improvement, one slightly lower than recommended dose of Algaefix cleared the whole tank and everyone survived.

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  • 5 out of 5 stars

    Great choice

    By on

    Effective and I purchased a larger size for less that I would normally pay at the pet store for smaller size bottle

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  • 5 out of 5 stars

    Works great

    By on

    I have a 20 gallon tank. Water keep turning green after i change it. I realized it’s because i leave the light on 24/7 but that was after i used this product. Tank was clear the next day and crystal clear after 2 days. Saved me from yet another water change.

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  • 5 out of 5 stars

    Cleans in a few hours

    By on

    It did a magical work to our fish tank that was green and disgusting, it worked in as little as few hours to sparkle clean tank.

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