I kept hearing to use red 660. I looked at the photosynthetic graph and had to believe that blue 450 would also grow algae like mad. I tried to get good info online but kept running into paywalls. I kinda expected to grow two kinds of algae with both of them growing like crazy.
Given that red worked so much better for me suggests the algae that works best for scrubbing are typically found in shallow water.
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Time to roll the dice.
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