

🌊 Feed your reef’s future with the power of precision phytoplankton!
Brightwell Aquatics PhytōGreen-M is a highly concentrated liquid marine phytoplankton suspension, delivering over 650 million 10–15 micron Tetraselmis cells per milliliter. Rich in EPA omega-3s, essential amino acids, and chlorophyll A, it supports the growth, coloration, and vitality of soft corals, sponges, clams, tube worms, and other filter feeders. This shelf-stable, no-refrigeration formula is made in the USA and designed to elevate reef aquarium health with scientifically backed nutrition.




| Brand | Brightwell Aquatics |
| Customer Reviews | 4.5 out of 5 stars 106 Reviews |
| Item Form | Liquid |
| Item Weight | 1.2 Pounds |
| Liquid Volume | 500 Milliliters |
| Manufacturer | Deepwater Aquatics Distribution |
| UPC | 611102142187 810086010769 |
B**E
Concentrated Phyto for Copepod Health
This seems to be sustaining my copepod populations without adding a ton of unwanted nutrients. Very concentrated so it will last a good long time!
T**N
Keeping my copepod culture alive
It’s doing the job and is more economical than algae barns product. Would recommend!
A**R
Good for coral and other marine species
Food for marine animals
J**.
Food
Seems to feed things.
M**R
leaked
leaked in packaging, but works
A**R
Five Stars
all perfect thanks
S**N
Five Stars
Great.
E**.
Use less than what's recommended
Don't use to much it killed a fee on my corals. 😭
Trustpilot
3 days ago
2 weeks ago