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  • How are reviewers describing this item?
    clear, great, good, large and every.
  • Our engine has profiled the reviewer patterns and has determined that there may be deception involved.
  • Our engine has determined that the review content quality is low.
  • Our engine has analyzed and discovered that 62.7% of the reviews are reliable.
  • This product had a total of 97 reviews as of our last analysis date on Mar 1 2020.


Most positive reviewquestion

It sure made my tank water clear up & make the water look nice and blue

Least positive reviewquestion

Good product at a reasonable price. Seller provided excellent service.

Most authentic reviewquestion

Algone works for my freshwater, planted fish tanks. It removes nitrates. It has proven to be the best option for that I've fo...  Read More

Least authentic reviewquestion

After about a week or two it stinks like fish poo, and when it smells like that I throw it away and put a new one in. My tanks ...  Read More

Helpful Insights


    Posted by a reviewer on Amazon

    It also had slime on the bottom and that's the first i've seen of that.

    Posted by a reviewer on Amazon

    If you look at the condition of the bag and the slime on it, you know it's catching a lot of junk.

    Posted by a reviewer on Amazon

    I finally thought to check my tap water and was shocked to find out my faucet is putting out water with 20ppm of nitrates.

    Posted by a reviewer on Amazon

    I got this for my 60-gallon freshwater tank after it had developed one of those green water cases of floating algae, causing it to resemble an artificial pond in my bedroom.

    Posted by a reviewer on Amazon

    The description had been a little clearer.

    Posted by a reviewer on Amazon

    My tank is only 30 gallons so the item was kind of wasted.

    Posted by a reviewer on Amazon

    I wanted to avoid a chemical solution but had run out of ideas.

Review Count History
Price History