Seachem Clarity

Size: 8.5 fl oz, 17 fl oz


Clarity™ is the ultimate clarifier for both fresh and saltwater. It employs an advanced polymeric flocculating agent that is both reef and plant safe. Clarity™ is the only clarifier on the market that does it all! Clarity™ will clear all types of clouding.

Many companies manufacture multiple products to clear up each type of cloudiness and each different environment (e.g. freshwater, marine, reef, etc.). Some companies have developed products that will clear most types of cloudiness, but their application requires two separate bottles of product. Clarity™ contains compounds that will clear all types of cloudiness in all environments


Upon adding Clarity™ to the water, you will see a cloudy haze begin to form. This is normal and means that Clarity™ is beginning to work. The water is filled with tiny pieces of floating matter that were not visible to the naked eye. Clarity™ makes those pieces of matter begin to clump together. As they clump together they form larger pieces of matter that are now visible, hence the cloudiness. Once this matter has clumped together, it is a simple matter of mechanical filtration to remove the residue. Matter that was once too small to get caught in filter media is now in large enough clumps.


In order for Clarity™ to work effectively, you should have a filter with mechanical filtration (e.g., filter floss) connected to your aquarium.

Seachem Clarity

  • Luke, Jan 11, 2019

    I bought this product on a Wednesday evening because my tank was slightly cloudy. It says on the bottle that you will see results in an hour or two. After pouring the recommended amount for my tank I got worried because it turned my water a dark color (which was a good sign according to the bottle). I did not feel like sitting around to see results so I went to bed. When I checked my tank this morning it looked amazing. I would strongly recommend this product to anyone.


    Laura, Dec 11 2018

    I bought this product to use in my high light planted tank. It worked very nicely, just as described. For me, it took longer than two hours to clear up. However, I needed to replace the filter media in my filter, and this will probably vary from person to person, depending on what type of media they have set up in their filter to polish their water. I use this once a week, usually mid week. Keeps my water crystal clear.

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