m3 Ryan Posted October 9, 2002 Share Posted October 9, 2002 Hey guys- I just got all my lighting stuff from hellolights.com and I was wondering... they told me to get 6700k and an O3, and I did. I just put them over my tank to see the color and they look awesome. HUGE improvement over my origional 27W 10k/BLUE light. I now have 56 watts for my 7gal. I heard the 10K is more white than the daylight 6700k that I got, but it looks great none the less. Anyhow... please just post your expierences and opinions of the two different lights. I have an open brain, 25+ mushrooms, bubble annonome, frogspawn, a cup coral, and a sponge. I also just got an SPS yesterday that I plan to frag off and sell to the store once it grows more. thanks guys, and sorry if this has been braught up before, but a search shows very few decent results... Link to comment
Christopher Marks Posted October 9, 2002 Share Posted October 9, 2002 I don't think there's much difference to the corals between a 6700K or a 10,000K. It's more just to visually please us Link to comment
cmoreash Posted October 10, 2002 Share Posted October 10, 2002 my experience with 6,700k...it looked nice at first, but bulbs seem to take a week or 2 to "break in", and it started looking too yellow. 10,000k is nice. Anyways, I heard that 10,000k is really closest to the spectrum of lighting underwater in the reefs. I have no idea if that's true or not, maybe someone else can verify. Link to comment
Mnesarchus Posted October 10, 2002 Share Posted October 10, 2002 Correct me if I'm wrong. 6400-6700k are better for shallow-water corals and inverts (SPS, Clams, Anemones) 10000k are better for LPS and Softies Link to comment
MrConclusion Posted October 10, 2002 Share Posted October 10, 2002 I have to agree with Mnesarchus on the fine technical point, but I think that Mark is correct overall. I happen to personally prefer the "whiter" look of 6700K mixed 50/50 with actinic... but I have the "bluer" 50/50 actinic/10K running in my 10 gallon nano, so what do I know? Link to comment
Mnesarchus Posted October 10, 2002 Share Posted October 10, 2002 Originally posted by MrConclusion I ...but I think that Mark is correct overall. Who do you keep calling Mark? His name is Chris Marks. Link to comment
Dave ESPI Posted October 10, 2002 Share Posted October 10, 2002 depending onthe manufacture.... 10 K is only the appearacne as REPLICATED to our eye. the corals really want 6500-6700 CRI of close to 98 % you can get that out of any bulb as long as spectral analysis on it shows CRI as near 100 % some 10 K are only 70 CRI and are useless yet are 10 K. It takes a LOT of reading to know which ones are best, and it can confuse the hell out of ya. I stick with 65 K 250 W iwasakis MH. they have a CRI of 97. *CRI : Color Rendering Index Link to comment
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