Is there a white bulb without a yellow or blue tint?
- Thread starter kimoyo
- Start date
- Location
- Washington Heights, NY
Sounds like a cool bulb. Did Sanjay ever test them? I'm also concerned about the spectral peaks.
Im presently in the same boat as you kimoyo,
im almost ready to go for the reeflux but the PAR is about the same as my phoenix and that wasnt cutting it.
I ran a 10K AB (thanks again Rich) and although things grew like they never had under the P14k's I couldnt get over the yellow
EVC on icecaps run higher PAR than AB's but their CCT (color spectrum) seems to be around 6k!
BLV are only slightly better in PAR than the reeflux's from what ive read FWIW
Im ready to just sell my icecap and go for HQI
im almost ready to go for the reeflux but the PAR is about the same as my phoenix and that wasnt cutting it.
I ran a 10K AB (thanks again Rich) and although things grew like they never had under the P14k's I couldnt get over the yellow
EVC on icecaps run higher PAR than AB's but their CCT (color spectrum) seems to be around 6k!
BLV are only slightly better in PAR than the reeflux's from what ive read FWIW
Im ready to just sell my icecap and go for HQI
- Location
- Washington Heights, NY
The thing is, its not all about par when it comes to growth and coloration because par is really just measuring the intensity of light emitted. While par is important I think the spectrum is important also.
This is a quote posted by mojoreef in this thread, Lets talk about ~Lighting~ (a very good read).
>Pocilloporin primarily absorbs green/yellow (550-600 nm) light along with some upper UV-A . it emmits a orange/red
>highly fluorescent pocilloporins primarily absorbs light from 310 to 380 nm (UV-B and UV-A) and then fluoresces this as light from 400 to 470 nm (violet/blue).
>highly fluorescent pocilloporin primarily absorbs light from 380 to 470 nm (UV-A, violet and blue) and fluoresces light from 475 to 520 nm (blue and green).
>third type of highly fluorescent pocilloporin primarily absorbs light from 430 to 490 nm (violet and blue) and fluoresces light from 490 to 540 nm (green/yellow).
>Yellow fluorescing pocilloporin primarily absorbs light from 440 to 500 nm (blue) and fluoresces light from 520 to 620 nm (green, yellow and orange).
>Red/Orange Fluorescing pocilloporin that primarily absorbs light from 500 to 540 nm (green) and fluoresces light with wavelengths that are primarily orange to red.
To understand this just read that thread, but fluoresces basically means the color you see. So if you take into consideration coloring highest par doesn't mean its the best for the corals. To get some good fluorescence you want to be hitting the corals with 310-380 light. Take a look at this graph from Sanjay website (don't worry about the axis titles, all this basically means is the higher value the more light at that wavelength).
Whereas the xm has the highest par (great for growth), you can see how it lacks in that fluorescence range but the ushio (lower par) doesn't.
And here's a graph comparing the ushio with the blv.
Very similar but the ushio has a slightly higher par. Thats why (and with its CCT) I'm somewhat surprised its more yellow. But the blv is looking like the way to go, unless the reeflux has a similar spectrum.
This is a quote posted by mojoreef in this thread, Lets talk about ~Lighting~ (a very good read).
>Pocilloporin primarily absorbs green/yellow (550-600 nm) light along with some upper UV-A . it emmits a orange/red
>highly fluorescent pocilloporins primarily absorbs light from 310 to 380 nm (UV-B and UV-A) and then fluoresces this as light from 400 to 470 nm (violet/blue).
>highly fluorescent pocilloporin primarily absorbs light from 380 to 470 nm (UV-A, violet and blue) and fluoresces light from 475 to 520 nm (blue and green).
>third type of highly fluorescent pocilloporin primarily absorbs light from 430 to 490 nm (violet and blue) and fluoresces light from 490 to 540 nm (green/yellow).
>Yellow fluorescing pocilloporin primarily absorbs light from 440 to 500 nm (blue) and fluoresces light from 520 to 620 nm (green, yellow and orange).
>Red/Orange Fluorescing pocilloporin that primarily absorbs light from 500 to 540 nm (green) and fluoresces light with wavelengths that are primarily orange to red.
To understand this just read that thread, but fluoresces basically means the color you see. So if you take into consideration coloring highest par doesn't mean its the best for the corals. To get some good fluorescence you want to be hitting the corals with 310-380 light. Take a look at this graph from Sanjay website (don't worry about the axis titles, all this basically means is the higher value the more light at that wavelength).
Whereas the xm has the highest par (great for growth), you can see how it lacks in that fluorescence range but the ushio (lower par) doesn't.
And here's a graph comparing the ushio with the blv.
Very similar but the ushio has a slightly higher par. Thats why (and with its CCT) I'm somewhat surprised its more yellow. But the blv is looking like the way to go, unless the reeflux has a similar spectrum.
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- Location
- Howell, NJ
from what i read there good bulbs...
- Location
- Brooklyn, NY
I am very happy with my Reeflux 10k 250's. I run 3 SE over my 220g. on Icecaps w/ actinic VHO's. The color is great, very crisp white and they really make blues pop. Solbby is the only person I know who owns the DE and he has only run them for a few weeks and I don't think he runs Icecaps. Sanjay has not tested the DE version yet. Kris just went for the SE version too, and I think he is quite happy. IF the DE version are similar, I would expect you to be quite happy.
For DE lamps, I too like the Giessman megachrome 13K but they are expensive.
Randy
For DE lamps, I too like the Giessman megachrome 13K but they are expensive.
Randy
- Location
- Ossining, NY
Paul, you have to come see my tank with 1000w of Pheonix 14k bulbs - no actinics - a little slower growth than 10k's from my 92 corner, but I am in no hurry for the display tank.
Come check em out.
House
Come check em out.
House
- Location
- 11756
prattreef said:
Randy's right. I'm very pleased with the bulbs. I actually prefer to run them without the VHO's on. Lots of folks say the colors off, but I think its running perfect. Anyones welcome to stop by and check it out before a purchase
.-Kris
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