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The Fractionator Principle. The fractionator principle is one of the important concepts used in stereology. The importance of this principle cannot be overlooked. It appears in many different places. Although it looks different depending on how it is used, the principle is the same.
Protein Skimmers, also known as Foam Fractionators, are mechanical devices used to remove organic waste materials from seawater. Protein skimmers are highly beneficial to maintaining water quality in marine aquariums.