Seachem Reef Phytoplankton 

Support coral health and natural feeding with Seachem Reef Phytoplankton a concentrated source of nutritious marine phytoplankton designed for reef aquariums.

Phytoplankton serves as a natural food source for many filter feeding organisms, helping promote coral growth, coloration, and overall tank biodiversity. This easy-to-use liquid supplement is ideal for maintaining a balanced reef ecosystem and supporting a wide range of marine life.

How It Works 

Phytoplankton is part of the natural ocean food chain.

In your tank, it:

• Feeds filter feeders
• Supports microfauna
• Helps maintain a more natural reef environment

Result: A healthier, more active ecosystem

What It Helps With

• Feeding filter feeding corals and invertebrates
• Supporting natural reef biodiversity
• Enhancing overall tank health
• Supplementing coral nutrition

Why It Matters

Not all corals rely only on light. Many benefit from supplemental feeding.
Phytoplankton helps provide nutrients that support long term health and growth.

Perfect For

• Reef aquariums
• Soft corals and filter feeders
• Mixed reef systems
• Hobbyists looking to enhance feeding routines

How to Use

Add directly to your aquarium as directed.

Turn off filtration briefly if needed for better feeding response
Dose consistently, not excessively

Important Note

Overfeeding can increase nutrients in the tank.

Always monitor:

• Nitrate
• Phosphate

And adjust dosing accordingly.

Pro Tip

Pair with proper filtration (like Purigen or PhosGuard) to maintain balance while feeding your reef.