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Hi,
The nicest advantage with the metal halide is that it generates the light from a single small spot (the arc within the center of the bulb) which in turn creates a nature like "light rippel" through the water column, if there is turbidity on the water surface from the waterpump outlet...
Hello,
I am looking for a 400 W Metal Halide Bulb (bulb fixture E40) to my 100 gallon plant aquarium.
I have tried some different bulbs and found them to give very different color rendition.
For example some bulbs gives a yellow hue :oops: (the cheap ones for driveways etc) or very greenish...
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