Ok, so this tank originally started off as a dirt tank almost 3 years ago. I ran two 70w metal halides on it for a long time, and then switched to a single 250w metal halide, and then back to the 2x70w configuration.
The halides were great for growing plants, and the shimmer effect was awesome on a tank this deep, but the color wasn't quite right.
One night I was messing around with different lights over the tank and I tried my little 35w halogen desk lamp on it. WOW, the colors on my rummies were amazing, and the plants looked good too.
I decided to get a 250w halogen work light from Home Depot and see what kind of PAR levels it would spit out, and possibly use it on the tank. With the light a foot above the top of the tank, I was hitting over 40 PAR at the substrate, so I figured it was worth a shot.
Initially I was concerned with heat on the center brace as this was a problem with my 250w metal halide, but the brace was actually much cooler than it was with the halide at the same level. Heating the water in the tank was not an issue either, as many in my teaser thread had suggested, tank wasn't any warmer than it was with either halide configuration. Hang your heater a foot above your tank and see how hot the water gets..
I intend to continue updating this thread weekly to show that these lights are actually a viable option for lighting our planted tanks. Please refrain from comments about how the lights are too hot, I'll burn my house down, and they don't grow plants ad nauseum.
February 26, 2014
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