Articles tagged: nitrogen
- Deep dive
Coral heterotrophy and the science of feeding
A deep dive into how much heterotrophy really contributes to a coral — why it has been underestimated, what a coral actually retains from food (nitrogen and fatty acids, not carbon), how digestion works, and how fish excretions feed corals. Recent peer-reviewed research (Communications Biology 2025, Aquaculture Nutrition 2025) and what it means in the aquarium.
- Deep dive
Ammonium and urea as nitrogen sources
The biological advantages of ammonium and urea as nitrogen sources for corals, the scientific research base and EU-market products in spring 2026.
- Reference
Nitrate — the other half of the nutrient pair
Nitrate's role in the nitrogen cycle, reference values by tank type, managing the nutrient pair and avoiding the 0/0 trap.