I have used it before,and the results are pretty good.I would'nt say any better or worse than any other coral food.It's just freeze-dried phytoplankton and zoo plankton etc.I found it real cheap on the
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site(3bottles and a spot feeder)I still use the stuff from time to time when I run out of Cyclopeese.Try it out,in moderation of course,too much of anything is dangerous in this hobby
So long,Pete