My MH bulbs are due to be replaced, and even on sale this weekend, it's over $100 for the two plus shipping. I've been reading all of the opinions on T5 systems instead of MH, and with summer coming soon the heat issue is more important than the bulb replacement cost for me.
My tank is 48 inches wide, 24 inches high, and 30 inches deep. Conventional wisdom says I need 10 bulbs for this, but because the overflow cuts 6 inches from the depth in the middle third of the tank, and I don't have anything on either side, I'm thinking 8 bulbs would be enough. So my options (considering ATI fixtures only at this point) is either one 8x54w powermodule fixture, or two 4x54w sunpower fixtures.
I personally don't need the stainless housing in the powermodule, but ATI doesn't make an 8x54w sunpower fixture. The sunpowers are less expensive, and running two 4x54w would give me four circuits for simulating sun cycles instead of two. It would mean getting another PM8 for my apex, but I need some more outlets anyway.
So, any opinions? I haven't been able to find a picture of the bottom of one of these fixtures anywhere, they're pictures of the top. I would need to find a way to get my moon lights attached to these, so having two fixtures would allow the moonlights to be placed between them.
Of course, the other option is to just get two new MH bulbs.
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