wouldn't that only give you 52w which is less than 1wpg? This cfl thing confuses me. on the packaging it says equivalent to such and such wattage. Do you go off that for figuring out lighting or off of the actual wattage? It seems to me that it would difficult to grow even low light plants with less than 1wpg in a 55g tank uless cfls are more effective then floresencents and HOt5.
Realistically, it doesn't matter as long as I have enought light on my tank. Yes or no? Add another 26w cfl or leave it at two?
You always go by the actual CFL's wattage, not the incandescent equivalent, so yes, you have a fuzz less than 1wpg.
If you're going for high-tech, you'll need much more. At least two more, depending on what kind of reflectors you will be using. Do you have a pic of those?
Like I said in a previous post, I had four 26w CFL bulbs on my 55, and unless I went with CO2 injection, there's absolutely no way I could keep algae away, specifically BBA, and with those four bulbs I was only at ~2wpg.
With CFLs, the light reaches pretty far down, which is no problem for our tanks that are 21" high, even the 13w have no problems penetrating all the way to the substrate.
I'd say have a total of four 26w bulbs since you're injecting CO2 and see where that gets you. You'll need a good fertilizer regime, too, at that amount of light and CO2. Also get a pic of your reflectors. Mine are simple 8.5" aluminum clip-on work lights, work perfect and are $8 apiece at Home Depot.