When I moved up to the 400s, I added 4 x 75W Super actinics that are on for 8 hrs/day, I think. I would have to check the controller to be sure. I know that they are on for less time than the 6 footers.
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When I moved up to the 400s, I added 4 x 75W Super actinics that are on for 8 hrs/day, I think. I would have to check the controller to be sure. I know that they are on for less time than the 6 footers.
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