Reef Phytoplankton

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Product Name
4 L Reef Phytoplankton

SKU: 213238

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Reef Phytoplankton is a concentrated blend of green and brown marine phytoplankton designed to provide the essential fatty acids, proteins, vitamins, amino acids, with biological carotenoids for invertebrate diet. Reef Phytoplankton is highly bioavailable, requiring minimal energy for corals to absorb these nutrients, and it’s also rich in natural carotenoids which are an excellent source of pigmentation proteins as well as natural antioxidants.. These zooplankton provide fatty acids, proteins, vitamins, amino acids, and with regular feeding you can see enhanced growth and coloration . Their size ranges from 1-20 μm to feed a broad range of tropical marine aquarium filter feeders and invertebrates.



  • Concentrated blend of green and brown marine phytoplankton
  • Size ranges from 1-20 μm
  • Enhanced to increase the bioavailability of important nutrients


Available in Five Sizes

  • 250 mL
  • 500 mL
  • 2 Liter
  • 4 Liter
  • 20 Liter



Water, Sodium chloride, Thalassiosira weissflogii, Acetic Acid, Isochrysis sp, Ascorbic Acid, Citric Acid, Nannochloropsis, Astaxanthin


Nutritional Analysis (Amounts per 1 g)

  • Protein (min):4%
  • Crude Fat (min):15%
  • Crude Fiber (max):5%
  • Moisture (max):8%
  • Ash (max):0%



Shake well before using. Add 1 capful (5 mL) per 200 L (50 US gallons) of water twice weekly or as required to maintain coral growth. For best results, dose directly to aquarium; target feeding can overwhelm corals and have a negative impact. Refrigeration after opening is recommended, but not required.

More Information
SKU Reef Phytoplankton - Seachem
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