Reef nutrition

Anyone use EVO SPS?

A coral farmer in Australia with a marine science background (i think) featured in one of Hadley’s videos. He mentioned dosing iron to decrease n and p
Interesting. I want the n though! If I am not careful my N bottoms out pretty fast. I need to dose something even minimal to keep it above 5
 
Think that was a sydney reefer interview with a local oz coral farmer. Dose iron to increase glass algae growth that sucks up n/p and gets filtered out when alage is scraped off.
 
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