Are you going to use it for a sump light?
PC bulbs can/will grow most softies, some LPS, and a very few SPS, but they are generally not that great. I had a 48" fixture that used 4 bulbs, it was brighter the NO fluorescents, but only equal to VHO, and no where near T5 or halide.
The shape of the bulbs is the biggest problem, they don't allow for good reflectors.


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