Quote:
Originally Posted by reefwars
I know people dose either nitrates or phosphates to get that balance between n and p but I'm not sure if Sps has a sweet spot for nutrients I would think any two coral will react different. Now if you can't drop po4 because nitrates are two low
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For me, I always want to see 0 for both, so I'm not sure I would add any back in. You're always going to have a bit of both in any system, but a reading of 0 on a test kit simply states that the system is absorbing it (corals, sandbed, etc)
Having undetectable levels of both, and the state of my SPS doesn't inspire me to add anything back in. If Greg isn't happy with his coral, I might be looking at other areas first.