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Old 01/28/2019, 11:26 PM   #1
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Join Date: Oct 2015
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300W Mars hydro - sufficient for chaeto?


I wanted to get everyone's advice regarding if this new fuge light I bought is sufficient and proper spectrum to grow chaeto?

I'm guessing it is powerful enough, but I've had it up for several weeks and chaeto doesn't seem to be growing much if at all. Also what is the recommended distance? I have it about 18" above the water surface, and chaeto is about 8" below the surface. Chaeto seems to be a fairly lighter color than before but not 100% sure.


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Old 01/29/2019, 07:50 AM   #2
Michael Hoaster
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Location: Boulder, CO
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That light should be fine. Fading chaeto might indicate a lack of nutrients to match. Increasing light for plants, in essence driving them harder, often requires more fuel (nutrients) to keep up with the new pace of growth.

As many naturalists and environmentalists have suggested, we should set aside our arrogance,
our desire to conquer and control everything, and walk hand in hand with Mother Nature. -Walter Adey

Current Tank Info: 180g Seagrass Sandbar Lagoon, START DATE November 28, 2018
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