09-24-2009, 01:51 PM
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Originally Posted by MoneyMitch
i mean the bulbs that are in that are like 8000k which will be fine seing how the sun is at most 6500k. i think im going to get it ill let you all know how everything works out. Money
Nothing wrong with the fixture per say, it is the tubes that matter. Those with this fixture are ordinary tubes and I suspect not adequate plant light. Knowing the K rating is one thing, but as I mentioned previously you also need to know the spectrum graph, and there is none at the linked site. These tubes are such as you would use in your home, basement over the workbench, garage, etc., just "light". From the K rating they are probably cool white. Putting tubes like the Life-Glo or similar wold be fine.
Another comment on hanging fluorescent lights above a tank: light is dissipated into the air, and the higher off the tank the more light is dissipated. This means light is bouncing around above the tank, which makes it harder to focus on the tank (like a bright light shining above a TV). Plus the wasted light is not getting into the water where it is needed. If you can set this fixture on the tank frame, fine. But it will need a glass cover between the tubes and the water surface.