wild reef

Warning: people in this thread believe in climate change. This is not a political discussion - please keep your personal conspiracy beliefs personal. https://scitechdaily.com/chilling-forecast-scientists-predict-a-collapse-of-the-atlantic-ocean-current/?expand_article=1 I wonder what this...

I often wonder how wild reefs are able to grow and thrive with such low levels of dissolved nutrients - namely nitrates and phosphates. I have an SPS/Acropora dominant tank and I maintain KNO3 solution on a dosing pump just to keep the corals alive - I try to maintain nitrates up to 5ppm...