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Old 11-26-2012, 01:36 PM   #11
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Originally Posted by killswitch View Post
Green spot is usually from too much light and/or low phosphate levels.

Whats your lighting and photoperiod?.
I've got a Odyssea (spelling?) T5HO fixture with 24W bulbs. It has 4 total but I only run 2 anymore. I have it set on a timer to run for 10 hours a day with a 2 hour break about halfway through.
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