What brand t5s? The Helios are crap (burn out within 6-9 months) The Helios brand is a throw away (once the bulb burns out, you're expected to toss the whole unit away & get another new one).
I think you'll get way more light from 2 96w PC, especially with the Panasonic bulb (got mine from Ocean Aquatics). The T5s I use for blue lights (actinics & 20000k) but I found 10000k T5 replacement bulbs hard to find & expensive. A 96w PC is really a 6' HO T5 that's bent at the middle, I believe.
Anthony
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