The Planted Tank Forum - View Single Post - 29 gallon LED build
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post #12 of (permalink) Old 07-20-2011, 04:13 PM
Wannabe Guru
Join Date: Jan 2008
Location: San Francisco
Posts: 1,902
I highly recommend you run optics, you want to reduce the amount of light hitting the glass as much as possible. I didn't on my fixture and oh my goodness the algae that grows on the glass is ridiculous, if I don't scrape the glass, it only takes 2 days before I can't even see into the tank anymore.

I'm redoing my fixture right now, adding 60degree optics and dimmable drivers. Wish I did this from the start!
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