Sorry about the heart rate Grace, and thank you for your comment,

Yes, Ocean Fertilization along with Ocean Alkalinity Enhancement and Stratospheric Aerosol Injection are climate change mitigation strategies best left at the research stage, because of the complexity of natural systems and the potential for off target damage.

Further to part of your comment “At the rate we are degrading our aquatic ecosystems…” We in developed countries could help the oceans greatly if we reduced both our fish consumption and land fertilizer use.