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Great thread.
I have the exact opposite problem as well. My green acros flourish and my orange caps look great, but my purples, blues, and pinks, turn brown. I have been very frustrated with this for some time.
My params:
Temp 79
Alk: 10 dkh (never moves)Thanks to a Ca reactor
Ca: 450 (never moves) Thanks to a Ca reactor
Nitrate - undetectable (Salifert)
Phospate - undetectable (Salifert)
Mg - 1250
SG=1.025
I run 3, 400 Watt 10K XM's with actinic supplemental lighting
and I have plenty of flow. My source water ranges from 2-4PPM.
I do have a red algae problem on my rocks and the bottom of my tank - perhaps it is related.
Not sure what else it could be. I think our problems are similar. This is a thread I will follow closely.
__________________
Brian
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