Bulb colors will be the same for PC bulbs and T5 bulbs. I don't think the K ranges are any different. You could change out one of the PC bulbs in your current fixture to accomplish the same thing unless you want to add more wattage as well.
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*180 gal Display, 100 gal basement sump, 33 gal refugium, 3x250 MH, 2x160 VHO actinics, zoos, some softies, LPS & lots of acros and other SPS.
*100 gal prop tank plumbed into main system w/ 2x96 PC lights and 1x150 MH,
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