The “Superfood of the Sea” – Arctic Zooplankton for Serious Keepers & Coral Farms.
Stock up on the ultimate reef fuel with thePE Frozen Calanus 16oz Flat Pack. This bulk-sized flat pack offers the same premium, sustainably harvestedCalanus finmarchicuszooplankton as the blister packs, but in a convenient, cost-effective sheet designed for heavy feeders, large systems, or aquaculture facilities.
Harvested from the pristine Arctic waters, these copepods are a “nutritional engine” for your tank. Packed with unique wax esters and high levels of astaxanthin, PE Calanus provides a concentrated energy source that promotes rapid growth and explosive coloration in both fish and corals. The thin flat-pack design allows you to easily snap off the exact portion you need, minimizing waste and making daily feeding a breeze.
Why Choose the 16oz Flat Pack?
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Best Value for Volume:Ideal for hobbyists with large tanks (100g+), multiple aquariums, or coral frag systems. Get more premium food for your money compared to blister packs.
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Easy-Snap Convenience:The flat sheet format is designed to be brittle enough to snap off clean chunks without needing to thaw the entire package.
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Intense Color Enhancement:Naturally rich in Astaxanthin (approx. 120ppm), this food triggers vibrant reds, oranges, and pinks in Anthias, Wrasses, and LPS corals.
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“Wax Ester” Energy:Unlike standard fats, the wax esters in Calanus provide high-density, easily digestible energy that fuels high-activity fish without polluting the water column.
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Bio-Encapsulated Nutrition:Harvested while feeding on phytoplankton, these whole, intact copepods are gut-loaded with essential fatty acids (EPA/DHA) and SDA, critical for long-term immune health.
Ideal For:
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Large Systems:Reef tanks 100 gallons and up.
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Coral Farms & Frag Tanks:Excellent particle size for feeding diverse beds of LPS and filter feeders.
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Breeding Projects:High fat content supports conditioning broodstock.
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Fish:Anthias shoals, Wrasses, Clownfish, Angels, and specialized feeders like Mandarins and Seahorses.
Nutritional Analysis (Guaranteed)
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Crude Protein (min):12.0%
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Crude Fat (min):6.0% (Rich in Wax Esters)
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Crude Fiber (max):1.0%
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Moisture (max):73.0%
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Astaxanthin:~120 ppm
Feeding Instructions
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Portion:Snap off a piece of the frozen sheet appropriate for your tank’s bio-load.
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Thaw:Place the frozen chunk in a small cup of aquarium water. Let it thaw completely.
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Feed:Pour into the flow for fish to chase, or use a turkey baster to target feed hungry coral colonies.
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Storage:Immediately return the unused portion of the flat pack to the freezer to prevent freezer burn and maintain freshness.
Format:16oz (1 lb) Resealable Flat Pack.






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