Quote:
Originally Posted by KPG007
Thanks Walter. That was the biggest surprise for me. As the Alk was going down, corals continued to look great, it was only after the Alk spikes in the water change did anything happen. I can handle brown coral knowing things are good now and they will return to normal soon enough.
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Actually mine got worse too after I corrected the alk, and then took 3 months to fully recover. Having said that I also had some other tank issues (high nitrates after I had disconnected my bio pellet reactor) just before this, and the low alk was the just final tipping point. But again, some SPS were never affected, and none of my LPS or soft corals even noticed anything amiss.
I think you are right, though, alk spikes make it worse. That's what did mine in, too, I think, when I raised it too quickly (didn't have time to fool around as I was not home a lot at that time).