Can you run too much white light?
- Thread starter MacDime
- Start date
ElementalJ
New member
Depends on the fixture I believe. I run the "whites" at around 70% and intensity "blue" at 40% on the kessil.
MacDime
New member
most percentage combos I see are blues higher than whites. Interesting!
ElementalJ
New member
The kessils are surprisingly strong for such a small fixture. My zoa's needed spf-30 the first week I had it running. After doing the reading I should have done, it made more sense.
Best of luck!
ComforablyNumb
New member
Great thing about the Kessils is you can dial up as much "white" as is pleasing to your eye, and they will still maintain a strong blue spectrum for the benefit of the corals. (Kessil Logic (r) built into every light)
Here is the spectrum output analysis at various settings with the Kessils:
Hope that helps. -Tim
Here is the spectrum output analysis at various settings with the Kessils:
Hope that helps. -Tim
ReefCowboy
New member
I've had the most successful with way less white compared to blues, running whites usually 50% less than the blues when I want my sps to gain color or when I get pieces that are still needing to improve in that regard.
I get confused as some "preset" programs of some led fixtures intended for color are usually set at 100%.
I'm sure white light has tons of advantages, it just scares me since it can bleach fast if corals not acclimated properly. Blues needs proper acclimation also, just more forgiving. I recently tried upping whites a tidy bit in my tank and some corals reacted negativelyso had to lower them back again...
I get confused as some "preset" programs of some led fixtures intended for color are usually set at 100%.
I'm sure white light has tons of advantages, it just scares me since it can bleach fast if corals not acclimated properly. Blues needs proper acclimation also, just more forgiving. I recently tried upping whites a tidy bit in my tank and some corals reacted negativelyso had to lower them back again...
slief
RC Sponsor
Too much white will increase algae growth. Corals get most of their needed photosynthetic radiation from 420-460nm which is the blue spectrum. White is mostly a preferential thing and not as important to coral growth though some white is beneficial. That said, I run my color on my Kessils at a max of 60% and even that would be considered on the high side. My intenisty peaks at 65% now that I have 10 of the 360WE'a over my tank.
Ron Reefman
Active member
What slief said!
Remember, white is a combination of all colors, or at least red, green and blue. And to our eyes, white looks WAY brighter than 420nm to 460nm blues. But to the zooxanthellae in your coral which don't have your eyes, the blue can be just as intense and can also bleach the coral if it's too intense.
Remember, white is a combination of all colors, or at least red, green and blue. And to our eyes, white looks WAY brighter than 420nm to 460nm blues. But to the zooxanthellae in your coral which don't have your eyes, the blue can be just as intense and can also bleach the coral if it's too intense.
Abstractxx02195
New member
I've been running my blues at 45 percent and my whites at 25 percent on my AI 26 hydras. They seem to be good but wondering if my settings are good. My ramp is 3 hours which is a bit long for a full day but I like to be able to see my tank.
Sent from my iPhone using Tapatalk
Sent from my iPhone using Tapatalk
Ron Reefman
Active member
Your ramp is 3 hours???? What does that mean?
I do a 5 hour ramp up, 4 hours of midday and a 6 hour ramp down. My best guess is that the last hour or two of the ramp up is enough to get photosynthesis started and the first hour or two on the ramp down are also enough for photosynthesis. So I get 6 to maybe 8 hours of good enough light for photosynthesis. Our corals zooxanthellae only do photosynthesis for 4 to 6 hours, but they need about an hour of 'start up' time to produce the chemicals needed to do photosynthesis. So 7 to 9 hours is all they can use. More than that and they stop doing photosynthesis. But having the lights on longer, even bright, isn't harmful.
Abstractxx02195
New member
I have sunrise 10am, sunset 6pm with a 3 hour ramp down. So at 6, everything starts going down till 9pm then i have moonlight with only Uv, purple and blue at 3 percent ramping down till midnight. I can't say that it's good or not because everything is new though.
Sent from my iPhone using Tapatalk
Sent from my iPhone using Tapatalk
