Greentree
New member
Is it the same rock that caused the prior STN of other sps? If so, how old is that rock? I've had a similar issue one time where I dropped in a fairly new dead rock in my established tank that was apparently leeching phosphorus onto the frags I was attaching to it. It caused base up stn/rtn.
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Oh wow - that's crazy! It's insane how many things can cause issues in this hobby! It's an old rock, and there is a perfectly happy Hawkins echinata on it as well :/