Brightwell Aquatics Zooplanktos-M Zooplankton Food Supplement - 2 l

In this review of Brightwell Aquatics Zooplanktos-M the bottom line is clear: this concentrated zooplankton suspension is aimed at marine and reef hobbyists who need an easily delivered, nutritionally rich live-type feed. The reviewer found it particularly useful for corals, clams, tube worms and planktivorous fishes because the copepods fall in the 500-1,000 micron size range and are naturally rich in amino acids, omega-3s and carotenoid pigments. It is formulated by a marine scientist, does not require refrigeration, and offers a straightforward way to boost aquarium nutrition without complicated preparation.

Key Features

• Size range: The 500-1,000 micron copepods are ideally sized for many stony corals, clams and juvenile fishes to capture and ingest easily.
• Nutrient content: The copepods are naturally rich in amino acids, omega-3 fatty acids and carotenoids to support growth and coloration of invertebrates and fishes.
• Coloration aid: Supplemented with a proprietary amino acid intended to aid in the coloration of both invertebrates and fishes.
• No refrigeration required: The formula is stable for handling and storage without special cooling, simplifying routine dosing.
• Scientist-formulated: Developed by a marine scientist to match the dietary preferences of mesoplankton-feeding organisms.
• Concentrated suspension: A concentrated product means smaller dosing volumes can deliver meaningful nutrition to tank inhabitants.

Who It's For

This product is aimed at reef and marine aquarists who keep species that feed on mesoplankton - large- and small-polyp stony corals, clams, plumed worms, larval crustaceans and juvenile fishes will benefit most from regular dosing. Aquarists with adult planktivorous fishes such as anthias or microinvertebrate-predatory species will also find this a convenient supplemental feed.

Hobbyists who keep only herbivorous fish, very large predatory species, or systems that rely solely on photosynthetic coral nutrition may find less direct benefit and should look for feeds tailored to their animals. Those who require frozen or live-only feeds may prefer alternate products, though the stability and convenience here are advantages for many setups.

Pros & Cons

Pros

• High-quality copepod suspension that matches the prey size of many corals and planktivores.
• Rich natural nutrition including amino acids and omega-3s supports health and development.
• Proprietary amino acid included to help enhance coloration in both invertebrates and fishes.
• Convenient storage and handling since the product does not require refrigeration.

Cons

• Not every system will need mesoplankton-level feeding, so its benefits are niche-specific.
• As a concentrated suspension, accurate dosing is important and may require attention for very small tanks.

Specifications

Product type	Zooplankton food supplement (copepod suspension)
Volume	2 l
Size range	500-1,000 microns
Key nutrients	Amino acids, omega-3 fatty acids, carotenoid pigments
Formulation	Scientist-formulated concentrated suspension
Storage	Does not require refrigeration

Our Verdict

Brightwell Aquatics Zooplanktos-M is recommended for reef keepers and marine hobbyists who maintain animals that capture mesoplankton; it delivers concentrated, nutrient-dense copepods that support growth and coloration and is easy to store. For those with target species that feed on this size class, it represents a practical, good-value supplement that fills a specific dietary niche without complicated handling.

Frequently Asked Questions

Is refrigeration required?
Answer. No, the product is formulated so it does not require refrigeration for typical storage and use.

What size animals will consume this?
Answer. The 500-1,000 micron copepods are suitable for many stony corals, clams, tube worms, larval crustaceans and juvenile fishes, as well as adult planktivorous fishes.

Will it improve coloration?
Answer. The suspension contains naturally occurring carotenoids and is supplemented with a proprietary amino acid intended to aid in coloration, so users often see improved color and health over time.