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Plankton and Plankton Surrogates for Reef Aquaria — Cryopreserved Phytoplankton

Through highly efficient foam fractionation or protein skimming, we clear organic molecules and particulate matter from our systems. Whether the parcels are desirable or undesirable, the efficient physicochemical machinery of foam fractionators whisks those particles and molecules out of the system.

This is desirable in one respect, because it allows us to continue to feed the fish and other reef creatures without long-term accumulation of nutrients in the system. Continued feeding without a nutrient export mechanism would ultimately convert the aquarium from an oligotrophic (nutrient poor) state to a eutrophic (nutrient rich) state. Skimmers are undesirable in that they rapidly clear some small particles from the system that we might like to keep...those being the various planktonic creatures and even various organic molecules that can be adsorbed directly by some marine creatures.

Several alternatives to foam fractionators have been proposed in the hobby. They include totally “natural” systems like Eng’s, the exclusive use of activated carbon and fast-growing soft corals championed by Bob Stark and others, the use of mangrove filters, algae scrubbers (Adey and Loveland 1991), the use of chemical sorbents for nutrients, among others. All of these systems have their merits, but in terms of ejecting large quantities of nutrients from a system, a powerful foam fractionator is unmatched, particularly in a short-term crisis.

Source: FishChannel.com

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Plankton and Plankton Surrogates for Reef Aquaria — Cryopreserved Phytoplankton

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