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I currently have 150 watts of MH in my 60P planted with HC and Bylxa. I noticed that the some of the rummy nose tetras loose their red noses whenever the lights come on. Once the lights cut-off, they all get their color back. I suspect they do not care for the high light
. OTOH the rams and otos do not seem to be bothered by it at all.
I am guessing that out in the wild, these fish normally live in subdued lighting. Blasting them with a second sun is good for the plants but not so happy for the fish. Although some might be more tolerant of high light than others. In my previous setup, the cardinal tetras were not at all bothered by the bright light. In George Farmer's recent masterpiece http://www.aquaticplantcentral.com/forumapc/aquascaping/53296-60cm-english-summer.html, the black neons look great under high light too.
Anyone have recommendations on small schooling fish that are "light tolerant".
I am guessing that out in the wild, these fish normally live in subdued lighting. Blasting them with a second sun is good for the plants but not so happy for the fish. Although some might be more tolerant of high light than others. In my previous setup, the cardinal tetras were not at all bothered by the bright light. In George Farmer's recent masterpiece http://www.aquaticplantcentral.com/forumapc/aquascaping/53296-60cm-english-summer.html, the black neons look great under high light too.
Anyone have recommendations on small schooling fish that are "light tolerant".