King-Kong
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<a href=showthread.php?s=&postid=11131320#post11131320 target=_blank>Originally posted</a> by magrath
Well it sounds like a bitter sweet story. Glad to hear about the SPS turnaround!
I was also thinking about putting a layer of 1 to 3 inch sized crushed coral in my sump for some bio filtration. It would probably also serve as a good area for pod production, since I am not running a fuge due to lack of space. I also think this might help with nitrate reduction. I also have an unlimited supply of crushed coral here in Okinawa. Any ideas or suggestions are welcome.
I would not go with crush coral, and I would use that depth. That depth will not REDUCE nitrates; it will only make them. It will only house aerobic bacteria which will do little in reducing nitrates.