Brightwell Phytochrom Phytoplankton 17 oz. (500 ml)
A full-spectrum vitamin supplement designed to support the health of marine fish, corals, and other invertebrates in reef aquariums. Formulated to mirror the vitamin ratios naturally found in filter-feeding marine invertebrates that consume plankton from the water.
Contains purified water and ultra-high purity ingredients. No refrigeration required. Developed by a marine scientist to closely replicate the nutritional profile of natural phytoplankton.
| Specification | Details |
|---|---|
| Volume | 17 oz (500 ml) |
| Form | Liquid |
| Ingredients | Purified water, ultra-high purity vitamins |
| Storage | Room temperature; no refrigeration needed |
| Manufacturer | Brightwell Aquatics |
FAQ
Can this product be used for both fish and coral in a reef tank?
Yes, Brightwell Phytochrom Phytoplankton is formulated to support marine fish, corals, and other invertebrates in reef aquariums.
Does this supplement need to be stored in the refrigerator?
No, the product requires no refrigeration and can be stored at room temperature.
Is the formulation based on natural marine organisms?
Yes, it is formulated to replicate the vitamin ratios found in filter-feeding marine invertebrates that consume plankton.

Heather Hughes –
Used this in my 100-gallon reef tank for three months. My corals have shown better coloration and my fish are more active. Easy to mix and no changes in water chemistry. Highly recommend for reef keepers.
Kylie Metcalfe –
Good supplement for maintaining coral health. I added it weekly to the water change. My anemones have expanded slightly and the fish seem more vibrant. A bit expensive but worth it for reef stability.
Carl Abraham –
After switching from a commercial vitamin mix, I noticed improved growth in my polyps. The liquid is clear and easy to dispense. No issues with storage or mixing. Works well with my existing tank setup.