I am sure someone with start selling dolphins excrements as some kind of magic mud soon I have been doing similiar thing since I have my reef tank. I feed heavily to my fish and my fish feed heavily to my SPS and LPS......... Everyone is happy and healthy.
Spinner dolphin excrements support coral reefs - Oceanographic
A new ZSL-led study shows that spinner dolphins provide crucial nutrients to Indian Ocean coral reef ecosystems.
www.oceanographicmagazine.com