Pheonix makes a 14k bulb that is very popular. If you do switch, your supplimental lighting will become more important...PC's don't put out as much light as T5HO and cost more to replace bulbs. Color choices are also a little less varied in PC. If you plan to keep them and move to a higher k MH, then just make sure you regularly replace the PC's.
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Mark...
290g Peninsula Display, 425g total volume. Setup Jan 2013.
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