The Planted Tank Forum - View Single Post - Help with 75gal tank lighting
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post #11 of (permalink) Old 02-12-2013, 12:52 PM
Planted Tank Obsessed
Join Date: May 2011
Location: Silver Spring, MD
Posts: 300
This is exactly what I do (I have 2 of the 2x54 watt Hagen Glo fixtures though) and it is enough light to grow BBA if you want. When all 4 bulbs are on it is bright! I now have my lights hung about 10" above the top of my standard 75 gallon. You could probably get away with just one fixture.

Originally Posted by mjk412 View Post
What if I did this.....what if I had two of these aquaticlife fixtures on my tank. I ran on for 4 hours, then the second one with all 4 bulbs running as a mid-day burst for a few hours, then later just had the last two lights running. How will this help with growth? Ill be injecting co2.
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