Seachem Reef Phosphorus
Phosphorus is an essential element required in metabolic processes, protein synthesis, and growth of corals and macroalgae. It is important to maintain phosphorus levels along with nitrogen levels in order to allow for optimal growth and coloration of corals and macroalgae.
Targeted Phosphorus Supplementation
Supplementing with Reef Phosphorus provides a targeted means of increasing phosphorus concentrations effectively without also adding dissolved organics.
Usage Guidance
Reef Phosphorus is ideally suited for use with anaquavitro sentia dose doserto maintain phosphorus at consistent concentration based on your aquarium’s unique demand. Reef Phosphorus is easy to use and designed for precise dosing in reef aquariums.
| Specification | Value |
|---|---|
| Form | Granular |
| Recommended Dose | 1-2 mL per 100 liters (26 gallons) weekly |
| Storage | Store in a cool, dry place away from direct sunlight |
FAQ
How often should I add Reef Phosphorus to my aquarium?
Reef Phosphorus should be added once every week, with a recommended dose of 1-2 mL per 100 liters (26 gallons) depending on your aquarium’s specific needs.
Can Reef Phosphorus be used with other nutrients?
Yes, Reef Phosphorus is designed to work alongside nitrogen-based supplements to maintain balanced nutrient levels for coral and macroalgae growth.
Is Reef Phosphorus safe for sensitive marine life?
Yes, Reef Phosphorus is formulated to deliver phosphorus without introducing dissolved organics, making it safe for sensitive marine species.



Theresa Peters –
I’ve been using Reef Phosphorus for three months now and noticed a significant improvement in coral coloration. The granules dissolve evenly and don’t cloud the water. Easy to measure and dose. My macroalgae has grown steadily without any signs of algae bloom.
Peter Scott –
The product works well in my 180-liter reef tank. I use it weekly as recommended and have seen better growth in my soft corals. No organic buildup in the water, which is a relief after trying other supplements.
Austin Rees –
Great product for maintaining phosphorus balance. I mix it with my weekly water changes and it’s very consistent. My anemones have become more vibrant and active since adding it.