05-21-2012, 05:26 PM
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Originally Posted by VirgoWolf
I was thinking about a hood too. I have no issues with DIY and my father is electricity obsessed, so it would be a fun project for him to help us put together. That's a really good idea...
I looked through some lights online and it looks like 48" T8s are 32watts.... That still only puts me at 0.53wpg with 2 of them... Is that really enough? It's a fairly deep tank as well, so I assume I'd need something more powerful?
No, those are fine. My two 48-inch tubes are 32w or 40w, depending. To explain: originally all 4-foot tubes were 40w, and T12 (T being the diameter in eighths of an inch, so 12/8 inch diameter). Then along came T8 (narrower obviously) and these are now being made more energy-efficient so they use less energy to produce the same basic light intensity, and you will see T8's in 40w, 34w and 32w. Watts makes no difference to the intensity here, but the lower watts will mean less cost in electricity to run them.
My Life-Glo tubes happen to still be 40w, but my GE and Phillips daylight tubes are both 32w. The light is basically identical. And two of these over my 5-foot 115g which is 2 feet deep is more than enough for a natural method tank.