check your Alk, I find my SPS color fades when your alk drops. also as far as nutrents, less is more from my experence. when upgrading light you might get some fading but they will recover if everything else is good.
Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*
Some strive to be perfect.... I just strive.
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