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					Originally Posted by danny zubot
					
				 
				This brings to mind a question I've been pondering. I will hopefully be upgrading my light soon. Should I consider this method when upgrading from a single 250 watt 14K to a single 400 watt 10K Mh? 
			
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 That will be a huge leap of intensity.  Not only is the wattage increasing almost twofold, but 14k is significantly less intense than 10k at the same wattage.
So: Yes, I would do the acclimation procedure as suggested by Stircrazy.