Thread: Switching from MH to HPS
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Old 08-23-2007, 09:37 PM
axg8750
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Default Switching from MH to HPS
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I have been flowering my four plants under two 175 watt metal halides on a timer controlled 18/6 light cycle for five weeks. My 400 watt hps just arrived. I am about to switch to the hps and a 12/12 light cycle. Is there any special methods for doing this conversion, or is a sudden change of light ok? Also, would it be beneficial to leave one of the 175 watt metal halides throughout the flower stage?
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