05-27-2013, 08:10 PM
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Originally Posted by Goose54
Thanks, The T5 lights are normal output, not the HO ones. I will cut the duration down to 8 hours and see if that helps. I did buy some water sprite a couple of weeks ago, but it only covers less than 1/4 of the water surface right now. I have noticed that only the lower leaves of the Bacopa have the algae on them. The upper 1/2 of the plants are algae free. Perhaps that is because the upper portions are rapidly growing, whereas the lower parts are not?
Yes, that is likely. Slower growing plants attract this stuff more.
Having NO will help then, that's good. So this equates somewhat with my 70g which has two 4-foot T8 6500K tubes, and 8 hours is max. And in the summer, the longer days and brighter daylight can do it too, I found out.