Re: Lighting for Aro selection
Lumens or Ansi Lumens or Candle Light are stands for power measurement of the lamp (the bigger the number , more brighter the output power/light)
Kelvin colour temperature is more for colur spectrums of the lamp not higher power or else , ,more higher the K number it will be more Blue , lower the number is more red , whitish /daylight is aroun 5000K to 8000K , the highest amount of UV spectrum is around 8000-16.000K but again it all depends on the lamp's quality and internal coating .
6.500K 's lamp will make your aro looks more red but it is not for the purpose of tanning because lack of optimum UV spectrum rather than you use 8000K-16.000K , UV spectrum is key element for photo synthesis process in guanophore cell .
Some of scientist believe 8000K to 16.000K is optimum for fish tanning , i did some research for metalic coloured fish (RTG aro) and it show much increasing in metalic colouration by adding above 18.000K lamps (actnic blue type) i do believe there's something in the deep blue spectrum is usefull for our aro 's tanning.
Actually combination of 1 Actnic Blue and 2 Plant growth lamp will give neutral colour (it will not make your fish looks pale like using daylight TL but it not fools you with iridescent effect)
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