Sps corals die within a week of adding

[fishguy597]

IMO, you cannot use organic carbon to get the nutrients too low if you are using LED. This just does not seem to work for nearly anybody. The folks who successfully drive N and P artificially low mostly use T5s and MH which appears to work fine for most - the Zeo folks do this.[/QUOTE]

Can someone explain this to me? I have never heard of this before.