Tank issues

The alhaefix seems to be doing the trick. A majority of the algae has become brown and easily runs off the rock. I'm seeing large dieback with no new growth. Next step is figuring out the source of my issue. Nutrients are low and coral are pale, but fairly healthy despite paleness.

Is the silicate buster rodi filter worth a shot? I can't imagine where else silicates are coming from.

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I can't see why it would hurt.

Do you have anything in your tank that absorbs silicates? With all the dieback, I'd have some sort of silicate removal media to absorb any further release from within your tank (since the chrystophytes aren't doing it anymore).
 
I can't see why it would hurt.

Do you have anything in your tank that absorbs silicates? With all the dieback, I'd have some sort of silicate removal media to absorb any further release from within your tank (since the chrystophytes aren't doing it anymore).
I have BRS GFO running. I know Phosban is supposed to remove silicates. Does the BRS GFO do the same?

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I have BRS GFO running. I know Phosban is supposed to remove silicates. Does the BRS GFO do the same?

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Good question. I have phosban in my tank but perhaps someone with more GFO experience can chime in.
 
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