Seachem Clarity

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Seachem Clarity
Water clarifier for marine and freshwater
Clears all types of clouding
Reef and plant safe


Seachem 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.

Seachem Clarity is specifically used to clear up all types of cloudy water in an aquarium. When used in the correct dosage Clarity is safe to use in planted, marine and reef aquariums.

It works as an aggressive flocculant but will not remove elements important to your aquariums well being such as trace elements, macro and micro nutrients.

A flocculant acts by attaching to small particles clumping them together to make them much larger and easier to remove from the water using mechanical filter. Flocculants will make the cloudiness in the aquarium worse for a short period of time until the large particles are removed by the filter action. It’s always more effected to use mechanical filtration alongside Clarity to totally remove the flocculated mater and stop it re entering the aquarium, and the finer the filtration media in the filter the better the results. What makes Clarity different from other products on the market is that it uses an advanced polymeric flocculating agent which makes it suitable for all types of cloudiness in your water column. Other manufactures offer multiple products for clearing up each type of cloudiness, others offer products that will clear most types of cloudiness but their application requires to separate bottles of product, Clarity does it all from one bottle.

It’s also safe to use on marine or reef tanks operating a skimmer and will not cause extra foaming. In short all you need is one product that resolve all types of cloudy water.

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.


Use 1 capful (5 mL) for every 80 L (20 US gallons). In some situations the cloudiness may increase after adding Clarity™, however this is normal and is a sign that Clarity™ is actively working. Rapid clarification will follow (1–2 hours). In the case of chemical or particulate clouding clean filter floss or cartridge after tank clears.

Additional information


100ml, 250ml, 500ml, 4L


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