05-29-2013, 10:52 AM
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Anyone who downplays them actually tried them I wonder?
I currently use a Doublebright for low to medium light plants and it is working fine. I use a 24" fixture over a 30" x12" tank and the coverage is perfect. This fixture is a little underlit if you want heavy floating plant cover and light needy plants for certain but the next level up is an "Aquatic Plant System" or something. Triple the light output and they list the lumens, lux, kelvin etc. Some definitely don't really list the appropriate info but many do.
I like the cool operation, focused light without needing the whole hood assembly (look at my tank in my profile, that is the fixture) and light weight fixture with adjustable mounting options.
The aquatic 24" version is $290 canadian, so it is a bit pricey but I shouldn't have to mess with bulbs for at least 10 years. That's probably around $170 in bulbs and maybe one ballast on top of that.... plus timers and the original fixture... if it is a good one another $50 minimum (OK not GREAT, just good). I'd say it's a break even venture with a better total experience. Oh, I forgot the possible electricity savings... seeing as they are supposed to be as much as 80% more efficient (or what ever number applies, not really sure about this one) there is the factor that ends up tipping the cost scale in their favour.