I'm planning to have some sps (Im new in this types) in my 673 tank, I have 7 MH (4 400w and 3 250w) and a good flow for sps, but my nitrates dont get lower than 10. Does it affects the keeping of sps? If so, what can I do to drop it?
I have a refugium, don't have bio-balls in my wet/Dry, have...