dos any one have this ballast? Dual 600W 120/240V Digital Ballast and if so have you tried running both metalhalide and hps at the same time? and dos any one think the difrent light out puts ie collor, would have a positive or negative effect?

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In the end, it's not going to matter how many breaths you took, but how many moments took your breath away

Using both the hps and mh for the plants is better for them, gives them light from both ends of the spectrum...

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http://www.rollitup.org=2fgrow-journ...s-8-a-191.html new pics page 191