Just for my two cents worth, I've had great success growing plants with 5500k lights, including java fern to glosso...I only have a ten gallon (much smaller than your tank, lol) and I use the home depot compact fluorescents. I have a watts-per-gallon ratio of about 3.75 and the plants are growing like mad. To be fair, I also do CO2 injection and ferts, but plants will demand more ferts when there's high lighting.
But point is, I've heard of guys making cheap hoods for large tanks using several compact fluorescent light bulbs in order to cut costs. You might be able to find one for sale.
And I agree with velanarris and the description of kelvin ratings. Spot on.
But point is, I've heard of guys making cheap hoods for large tanks using several compact fluorescent light bulbs in order to cut costs. You might be able to find one for sale.
And I agree with velanarris and the description of kelvin ratings. Spot on.
