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Yes. I made some tests. I always used for years, before mounting this prop, Metal Halide lamps in my home aquariums. I used 2/3 of l10.000ēK HQI lamps as main light and a correction of the spectrum with 1/3 fluos with color temperature superior to 20.000ēK (Watts). Here, in my prop tanks, I cannot use this type of illumination, to prevent on heating and to reduce costs with the refrigeration in the summer.
Using now only fluos I opted to 12.000ēK as main lamps and a correction of the spectrum with 18.000ēK. I concluded that using 60% of 12.000ēK lamps and 40% of 18.000ēK the corals grow more and their color is sacrificed. If I use 50/50 I obtain less growing and more color.
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