Support healthy coral growth and filter-feeding invertebrates with Seachem Reef Phytoplankton, a concentrated blend of green and brown marine phytoplankton formulated specifically for reef aquariums.

This broad-spectrum food supplies essential fatty acids, proteins, vitamins, amino acids and naturally occurring carotenoids. Its particle sizes range from approximately 1–20 microns, helping feed a wide variety of tropical marine filter feeders and invertebrates.

The concentrated formula makes regular reef feeding simple and economical. One 500 mL bottle provides up to 100 standard doses and can treat a cumulative total of approximately 5,000 gallons.

Product Size

500 mL – 16.9 fl oz

Key Features

• Concentrated blend of green and brown marine phytoplankton
• Provides essential fatty acids and proteins
• Contains vitamins, amino acids and biological carotenoids
• Particle sizes range from approximately 1–20 microns
• Feeds a broad range of corals and filter-feeding invertebrates
• Supports coral nutrition, growth and coloration
• Approximately 100 standard 5 mL doses per bottle
• Treats a cumulative total of approximately 5,000 gallons
• Formulated for marine and reef aquariums

Ideal For

• Soft corals
• SPS and LPS corals
• Clams
• Sponges
• Tube worms
• Tunicates
• Other filter-feeding marine invertebrates

Directions

Shake well before using.

Add one capful, or 5 mL, for every 50 gallons of aquarium water twice weekly or as required to maintain coral growth.

Reef Phytoplankton is intended for broadcast feeding throughout the aquarium. Do not use it for direct or concentrated target feeding.

Refrigeration after opening is recommended but not required. Always follow the directions printed on the product label and avoid overfeeding.

Why Shop With Us?

Infinity and Beyond Aquatics provides carefully selected foods, supplements and equipment for marine and reef aquariums. We carry products from trusted aquarium brands and are available to help you choose the right products for your reef before and after your purchase.

Shipping Information

This product qualifies for FREE Standard Shipping on qualifying orders over $100.

Orders below the free-shipping threshold ship at the applicable rate shown during checkout. Most orders are processed within 1–3 business days, and tracking information will be emailed once your order ships.