FWIW, my 90 was over 2 yrs, everything tested as perfect for coral growth, but nothing grew much at all. Like I said, in the new 3 week old tank, I have more growth than I ever did in the 90. Young tank, no feeding, same paramters, same salt, etc, just a different tank and sump. Now everything is taking off. I'm starting to think trace copper, not enough to kill, but enough to inhibit growth.
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Brad
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