View Full Version : Hqi Vs Standard
PoriferaBob
09/06/2006, 10:48 AM
What is the difference (pro's and con's) between HQI halides and the standard mogul and bulbs???? Ive been searching the net for comparisons of the two and cant find anything??
michaeldaly
09/06/2006, 11:19 AM
Not really much difference.
HQI are usally slightly more intense. But, they also need to be sheilded for uv as they dont have built in uv protection
PoriferaBob
09/06/2006, 11:45 AM
Hey michaeldaly!!! Intense in what way? They just LOOK brighter? Why would you think that they are so much more expensive then?
PatrickJ
09/06/2006, 12:14 PM
Standard is way better. No comparison.
pwachs
09/06/2006, 01:01 PM
I am running both hqi and mogul based bulb's on my 120 to see the difference.
One one side of the tank is a 250W HQI IC 10K XM, the other is a 250W Iwasaki 6.5k bulb.
Both of them have enough strength to reach the bottom fine. The Iwasaki is yellower than the XM.
I should be able to tell in the next few months how much color and growth are affected.
PoriferaBob
09/06/2006, 04:12 PM
pwachs
PoriferaBob
09/06/2006, 04:13 PM
Sorry about that last post......
pwachs!! That is gonna be very interesting!!! I cant wait to see what happens!!!
Waxxiemann
09/06/2006, 04:35 PM
I've seen some dealer websites that compare 250 HQI's to 400 watt standard.
Here is an example.
http://www.jlaquatics.com/phpstore/store_pages/details/corals-hard.php?product_ID=c-facroa
I'm going with 250 HQI. Plus with HQI you don't have to worry about your reflectors getting pitted and stained from salt splash because of the glass cover.
That's my lame brain thoughts.
Waxxiemann
09/06/2006, 04:37 PM
<a href=showthread.php?s=&postid=8090022#post8090022 target=_blank>Originally posted</a> by pwachs
I am running both hqi and mogul based bulb's on my 120 to see the difference.
One one side of the tank is a 250W HQI IC 10K XM, the other is a 250W Iwasaki 6.5k bulb.
Both of them have enough strength to reach the bottom fine. The Iwasaki is yellower than the XM.
I should be able to tell in the next few months how much color and growth are affected.
Dude, how are you gonna have a valid comparison if you use different brands of bulbs and different kelvin ratings?
leeweber85
09/06/2006, 05:01 PM
I was thinking the same^
my 150w hqis but appear just as bright as my 250w SE --- that's a 100w in power savings.
Here's my tank: the left and center bulbs are both 150w HQIs (double ended)-14k and the right side is 250w mogul (single ended)-15K
http://reefcentral.com/gallery/data/500/87245125_full.jpg
boxfishpooalot
09/06/2006, 05:31 PM
can you take a picture with the middle hqi off? :D
STEELERFAN747
09/06/2006, 07:47 PM
I am running both hqi and mogul based bulb's on my 120 to see the difference.
One one side of the tank is a 250W HQI IC 10K XM, the other is a 250W Iwasaki 6.5k bulb.
Both of them have enough strength to reach the bottom fine. The Iwasaki is yellower than the XM.
I should be able to tell in the next few months how much color and growth are affected.
Now thats not really fair, you should try running them both at 10k for an accurate comparison.
STEELERFAN747
09/06/2006, 07:52 PM
Im running duel 150 hqi's and my tank grows very well and is extremely bright.
PatrickJ
09/06/2006, 08:23 PM
bad post
PatrickJ
09/06/2006, 08:33 PM
bad post
PatrickJ
09/06/2006, 08:43 PM
Hands down. (http://www.reeflightinginfo.arvixe.com/spectraldata-line-2.php?Watts=150&Watts2=175&LampManuf=XM&LampManuf2=XM&Lamptype=Double+Ended&Lamptype2=Single+Ended&LampName=39&LampNameText=XDE+150W+10000K+DE+1&LampName2=111&LampName2Text=XM+175W+10000K+SE+1&BallastName=12&BallastNameText=PFO+150W+HQI+%28M81%29&BallastName2=5&BallastName2Text=Icecap+175W+Electronic&Shielded=Y&Shielded2=N&Minwavelength=400&Maxwavelength=700&Submit=Submit) You cannot beat what a graph will tell you.
I even gave it an M80 ballast for best perfomance and put the single end on a cheap M57.
Try all you want, but 9 times out of 10, Single ended is best. Hands down.
Want more? Heres a 250 watt example. NO CONTEST (http://www.reeflightinginfo.arvixe.com/spectraldata-line-2.php?Watts=250&Watts2=250&LampManuf=XM&LampManuf2=XM&Lamptype=Double+Ended&Lamptype2=Single+Ended&LampName=20&LampNameText=XDE+250W+10000K+DE+1&LampName2=18&LampName2Text=XM+250W+10000K+SE+1&BallastName=8&BallastNameText=PFO+250W+HQI+%28M80%29&BallastName2=8&BallastName2Text=PFO+250W+HQI+%28M80%29&Shielded=Y&Shielded2=N&Minwavelength=400&Maxwavelength=700&Submit=Submit)
http://www.reeflightinginfo.arvixe.com/select2lamp.php
Single ends are much brighter and if you can read a graph, understand numbers, you will get it too.
leeweber85
09/06/2006, 08:53 PM
Patrick does that graph show the PAR difference?
PatrickJ
09/06/2006, 08:57 PM
PPFD = PAR
That is for all pratical purposes.
PatrickJ
09/06/2006, 09:05 PM
Efficiency is calculated by "PPFD" / "Power" = "Efficiency"
Power is what was actually used and varies ballast to ballast.
leeweber85
09/06/2006, 10:05 PM
<a href=showthread.php?s=&postid=8092084#post8092084 target=_blank>Originally posted</a> by boxfishpooalot
can you take a picture with the middle hqi off? :D
as requested:
http://i13.photobucket.com/albums/a253/leeweber85/125_compare.jpg
Left side is 150w 14k-current bulb, right side is a 250w SE XM-15K bulb
pufferpoison
09/06/2006, 11:24 PM
I would have to say the left "looks" brighter.
I've heard that single ended bulbs put out more of a wider light and double ended where more of a focused light?
leeweber85
09/07/2006, 03:35 PM
The 150w HQI looks a tad bit brighter, but then again the 250w is the XM 15k which is known to have even lower par than the 20k... Who knows what the difference to the corals are though.
RichConley
09/07/2006, 03:44 PM
<a href=showthread.php?s=&postid=8091663#post8091663 target=_blank>Originally posted</a> by Waxxiemann
I've seen some dealer websites that compare 250 HQI's to 400 watt standard.
Here is an example.
http://www.jlaquatics.com/phpstore/store_pages/details/corals-hard.php?product_ID=c-facroa
I'm going with 250 HQI. Plus with HQI you don't have to worry about your reflectors getting pitted and stained from salt splash because of the glass cover.
That's my lame brain thoughts.
Thats pure marketing nonsense.
I've got HQIs, and will switch to SEs when I upgrade tanks.
Lumenarcs are the roxor.
boxfishpooalot
09/07/2006, 04:38 PM
<a href=showthread.php?s=&postid=8094006#post8094006 target=_blank>Originally posted</a> by leeweber85
as requested:
http://i13.photobucket.com/albums/a253/leeweber85/125_compare.jpg
Left side is 150w 14k-current bulb, right side is a 250w SE XM-15K bulb
Nice! :D thanks for taking the time.
HQI seems to always put out more par. Is that always the case? Why is this? WHERE ARE THE LIGHT EXPERTS!! :D
Waxxiemann
09/07/2006, 04:48 PM
<a href=showthread.php?s=&postid=8098428#post8098428 target=_blank>Originally posted</a> by RichConley
Thats pure marketing nonsense.
I've got HQIs, and will switch to SEs when I upgrade tanks.
Lumenarcs are the roxor.
Chill man. It's an EXAMPLE. I didn't mean to ruffle any feathers. I certainly did not write it. It is also not the reason I (made the personal choice) went with HQI.
To each his own. This debate has been ongoing forever.
STEELERFAN747
09/08/2006, 02:10 PM
Hands down. You cannot beat what a graph will tell you.
I even gave it an M80 ballast for best perfomance and put the single end on a cheap M57.
Now you do realize the gragh shows a 150 hqi against a 175 se, and the second graph mentions both 250w's being hqi's.
STEELERFAN747
09/08/2006, 02:24 PM
as requested:
Left side is 150w 14k-current bulb, right side is a 250w SE XM-15K bulb
__________________
The left side definently looks brighter & nice tank by the way.
leeweber85
09/12/2006, 12:08 AM
thanks
PatrickJ
09/12/2006, 12:43 PM
As what RichC said,
Marketing nonsense. The DE's look differnt and special and people took them for being better.
Steelerfan,
I put the second graph running both on an HQI to show the fact that running a 250 DE and SE on the same ballast, the SE will out perform the DE.
Even on differnt ballast, a ballast that is the cheapest on the market, M59, running a SE still out performs the DE running on the more expensive ballast, M80, which was design to run DE bulbs.
DE in most cases falls short to a SE. Expecially if a SE is on a DE ballast, like the M80.
scaryperson27
09/12/2006, 01:15 PM
leeweber85,
Thats a Odyssea unit with the "150" HQI's right? From what i have heard Odyssea overdrives there units to 175 watts.
leeweber85
09/12/2006, 01:41 PM
correct, it is an odyssea. From what I've read, the ballast will actually underdrive the bulb. I don't know whether it's true or not.
RichConley
09/12/2006, 02:14 PM
<a href=showthread.php?s=&postid=8098816#post8098816 target=_blank>Originally posted</a> by Waxxiemann
Chill man. It's an EXAMPLE. I didn't mean to ruffle any feathers. I certainly did not write it. It is also not the reason I (made the personal choice) went with HQI.
To each his own. This debate has been ongoing forever.
My feathers werent ruffled.
Its just nothing but marketing nonsense when companies say that a 250w HQI puts out as much as a 400w bulb.
RichConley
09/12/2006, 02:15 PM
<a href=showthread.php?s=&postid=8104787#post8104787 target=_blank>Originally posted</a> by STEELERFAN747
as requested:
Left side is 150w 14k-current bulb, right side is a 250w SE XM-15K bulb
__________________
The left side definently looks brighter & nice tank by the way.
Thats a tough example to judge anything on, becuase of how collosally poor the XM 15Ks are (in a par respect)
PatrickJ
09/13/2006, 09:09 AM
Millions of people around the world are consumed by marketing hype.
Yes it is a sad fact.
I mean really just look at the graphs. http://www.reeflightinginfo.arvixe.com/select2lamp.php
The data says other wise. IMO DE's are almost worthless. Good in some applications like small tanks or in low profile hoods, but other than that...why would you buy a less powerful light, needs a UV shield, needs a powerful ballast just to run it, and expensive for what you get.
Another example, XM 250 SE 10000K vs IceCap DE 10000K (http://www.reeflightinginfo.arvixe.com/spectraldata-line-2.php?Watts=250&Watts2=400&LampManuf=XM&LampManuf2=Icecap&Lamptype=Single+Ended&Lamptype2=Double+Ended&LampName=18&LampNameText=XM+250W+10000K+SE+1&LampName2=70&LampName2Text=Icecap+400W+10000K+DE+1&BallastName=8&BallastNameText=PFO+250W+HQI+%28M80%29&BallastName2=18&BallastName2Text=PFO+400W+HQI&Shielded=N&Shielded2=Y&Minwavelength=400&Maxwavelength=700&Submit=Submit) Expand the picture to read the numbers clearly.
Though they are differnt bulbs from differnt manuafactors. 250 Watt SE has more PAR than the 400 Watt DE, which is shown in PPFD.
HippieSmell
09/13/2006, 01:37 PM
I think you're being a little overzealous, Patrick. Overall, it's about a wash as far as the ppfd/consumption ratio is concerned between DE and SE bulbs. That is if you run the proper ballast, and use a shield on the DE, and don't use a shield on the SE. You don't want to run an SE bulb on an M80 (HQI) ballast, and you don't want to run a DE bulb on an electronic. I also like the shield on a DE bulb, because mine gets pretty coated with salt. I'd be afraid to do that with an unshielded SE. Regardless, either bulb will grow coral, and it's pointless to generalize too much because each bulb manufacturer is different.
i believe HQI is a ballast term, not a bulb term
ex: you can get a single ended bulb and run it on a hqi ballast
i think the "250wDE on HQI is near equal to 400wSE" came from wattage properties, not ppfd readings. A double ended bulb on magnetic hqi will pull 325-350watts and a 400w SE on electronic will pull right at 400w. Then people became more educated about lighting terms and that 250DE vs 400SE kinda died out.
i will admit that years ago i believed the same... and you can make that statement true SOMETIMES, but not ALL OF THE TIME. It all comes down to whether you are comparing apples to apples.
IE:... i am sure i can come up with a 250w DE bulb/ballast combo that will have more PAR than a 400w SE bulb/ballast combo which will make that statement true SOMETIMES
so... just keep in mind what you are actually comparing.
boxfishpooalot
09/13/2006, 03:15 PM
After all this talk,
Whats the best bulb for par and output?(ballast and bulb)
Cant use the sun either :D
"best" is very subjective
i am pretty happy with my newest lighting... 400w EVC 10k SE on magnetic ballasts
around 200ppfd and a very natural daylight look.
vegaskid11
09/13/2006, 04:24 PM
For space saving needs and a cooler running ballast, HQI is the way to go. If you have the room, I would use SE as the larger bulb and reflector will give you better overall distribution.
Personally, I have 2 DE on my tank because I have a ton of equipment packed into my canopy and I needed the extra room.
leeweber85
09/13/2006, 06:35 PM
<a href=showthread.php?s=&postid=8130515#post8130515 target=_blank>Originally posted</a> by RichConley
Thats a tough example to judge anything on, becuase of how collosally poor the XM 15Ks are (in a par respect)
I agree, wish i had another bulb to compare with.
SurfatC3G
09/13/2006, 06:47 PM
While we are on this topic. Does anyone have or has anyone seen the PAR readings on a DE Pheonix 14k? Thanks. This is the first thread in a while that has me read all the posts.
i believe sanjay gets around 90 ppfd from the 250wP14k in m80
i have a quantum meter... my same lights over my frag tank (around 8" off the water) in ROIII pendants...and about 9 months old... ~450ppfd (obviously the reflector inreases ppfd)
other readings for fun/comparison
250wDE AB20ks on pfo HQI at 8" off the water in ROIII pendants and about 6 monthds old.... ~325 ppfd
400wSERadiums on pfo HQI at 9" off the water in spider reflectors... 2 months old..... 900pffd
400wSE EVC10ks on magnetic at 9" off the water in spider reflectors .... 3 weeks old... 1100-1200ppfd
these are just hobbyist readings in a non-lab environment
SurfatC3G
09/13/2006, 07:39 PM
Wow. Well, because of this thread im starting to question whether or not my 150w DE Pheonix 14k will be enough to support LPS at the bottom of a 24" deep tank. :( The light is going over a 37g Perfecto column tank. 20x18x24.
SurfatC3G
09/13/2006, 07:40 PM
And Thanks for the response Kip :)
HippieSmell
09/13/2006, 08:28 PM
<a href=showthread.php?s=&postid=8140509#post8140509 target=_blank>Originally posted</a> by SurfatC3G
Wow. Well, because of this thread im starting to question whether or not my 150w DE Pheonix 14k will be enough to support LPS at the bottom of a 24" deep tank. :( The light is going over a 37g Perfecto column tank. 20x18x24.
I think you'll be fine. Many tanks have too much light IMO.
Surfat..... with LPS, softies and shrooms... no worries... with stonies... keep em high
benray4fun
09/13/2006, 09:57 PM
I have to agree that the left side (hqi) is a tad brighter and is higher from the water line than the single ended bulb..."I'm impressed"
SurfatC3G
09/14/2006, 11:52 AM
Thanks again for the responses. I don't plan on having very much SPS stuff anyway. I would have went with a 250 but I was scared some of my shrooms and rics wouldn't like it. I will probably have a couple Caps about mid level and assorted branching sps near the top along with some lps. I wanted to keep the bottom open for some softies and some lps if I couldn't find a spot up higher for them.
benray4fun
09/14/2006, 12:29 PM
Keep in mind its' 150w hqi left vs 250w mogul se right side, that's a 100w savings per side and if you have two, even more and it's still brighter! SOLD! To Mr. Benray4fun...LMAO, but it's true... "I've been meaning to get a set of HQI's for a while", as soon as I can pony up the cash I'm running to the candy store...lol
HippieSmell
09/14/2006, 12:30 PM
<a href=showthread.php?s=&postid=8144883#post8144883 target=_blank>Originally posted</a> by SurfatC3G
Thanks again for the responses. I don't plan on having very much SPS stuff anyway. I would have went with a 250 but I was scared some of my shrooms and rics wouldn't like it. I will probably have a couple Caps about mid level and assorted branching sps near the top along with some lps. I wanted to keep the bottom open for some softies and some lps if I couldn't find a spot up higher for them.
I have a single 250W pendant on a light mover, and it bleached the ric on the very bottom of my 120 gallon. I have some zoos halfway up, and they turned from mostly brown to bright green with a hint of purple. And they haven't grown for six months. All of my sps and lps are growing like crazy though. Regardless of what anyone says, a 250W DE on a magnetic ballast is enough light for anything, often too much light.
RichConley
09/14/2006, 12:36 PM
<a href=showthread.php?s=&postid=8141560#post8141560 target=_blank>Originally posted</a> by benray4fun
I have to agree that the left side (hqi) is a tad brighter and is higher from the water line than the single ended bulb..."I'm impressed"
It's brighter, but its not more light. Its just light in a more focused area.
benray4fun
09/14/2006, 12:48 PM
<a href=showthread.php?s=&postid=8145185#post8145185 target=_blank>Originally posted</a> by RichConley
It's brighter, but its not more light. Its just light in a more focused area.
Rich, I firmly believe what my eyes process. I'm seeing it for myself in a real picture, don't you see it?...
Kind of like..."are you gonna believe what you're seeing or what I'm telling you?"...LMAO
SurfatC3G
09/14/2006, 12:55 PM
Yea my friend got a 250de 20k pendant and it bleached his ric's at the bottom of his 54g corner.
benray4fun
09/14/2006, 03:20 PM
<a href=showthread.php?s=&postid=8145335#post8145335 target=_blank>Originally posted</a> by SurfatC3G
Yea my friend got a 250de 20k pendant and it bleached his ric's at the bottom of his 54g corner.
Yea that's sad, but remember..."you don't need the metal halides on everyday." I just want'm to cycle in on occasion, we don't have bright sunny days all week either. So put'm on timers to come on 3 or 4 days a week, with just the flourescent, vho's, power compacts, T-5's or whatever you're running alone in between days.
This will mimic nature much more accurately and give your inhabitants a break from intense lighting everyday...:mixed:
RichConley
09/14/2006, 03:27 PM
<a href=showthread.php?s=&postid=8145273#post8145273 target=_blank>Originally posted</a> by benray4fun
Rich, I firmly believe what my eyes process. I'm seeing it for myself in a real picture, don't you see it?...
Kind of like..."are you gonna believe what you're seeing or what I'm telling you?"...LMAO
Benray, the problem is, it doesnt matter what you're eyes see. Every bit of light your eyes is seeing, is light thats not getting to the corals.
Its like saying a flashlight is brighter than a 60w lightbulb. No, its not, even though it looks brighter. Its just got a more focused reflector.
SE bulbs put out more PAR per watt, its as simple as that. DEs just generally have more narrow focused reflectors. Yes, it looks brigher. Thats because the SE is covering more area. IE its a case of X area at Y PAR, or 2X area at .5Y PAR.
benray4fun
09/14/2006, 03:38 PM
Hmm, I see your point and it was well made...
Now I believe the SE or moguls need a better reflector that is more focused, so all that light is directed like that flashlight towards it's intended use.
On the other hand, that picture does show a SE pendant that is very well made and also focused with excellent reflectors. Unfortunately, it still doesn't outperform the HQI, even though it's 100 watts less. That just goes to show how well made the HQI's housing is and how far that technology has come.
What I'm saying is that if what you're saying is true, than the SE aren't as efficient...
STEELERFAN747
09/15/2006, 08:18 PM
<a href=showthread.php?s=&postid=8146521#post8146521 target=_blank>Originally posted</a> by benray4fun
Hmm, I see your point and it was well made...
Now I believe the SE or moguls need a better reflector that is more focused, so all that light is directed like that flashlight towards it's intended use.
On the other hand, that picture does show a SE pendant that is very well made and also focused with excellent reflectors. Unfortunately, it still doesn't outperform the HQI, even though it's 100 watts less. That just goes to show how well made the HQI's housing is and how far that technology has come.
What I'm saying is that if what you're saying is true, than the SE aren't as efficient... I agree, the se has a reflector, is closer to the water surface and has a 100 watt advantage and brightness wise would seem to get outdone by the "inferior" hqi.
I personaly have hqi's and my corals grow like crazy. If one is better than the other I dont know, What I do know (Richconnoly) is, and I'm sorry to say is the hqi smaller, less wattage is brighter. Now I realize you defend the se because thats the technology you are using, but we need to be honest with ourselves.
By the way, dont worry, be happy and reef on. :fish1: :fish2:
antonsemrad
09/15/2006, 10:01 PM
What about bulb longevity? Are SE bulbs supposed to be mounted vertically? Is this a myth? What about the 400 watt HQI's? Won't the "HQI's" have better reflectors in the future? Isn't the iwaski 65k still the best bulb out there in many ways? Why isn't there one TOTM that uses the 65k iwaski?
benray4fun
09/16/2006, 02:34 PM
Most SE bulbs last roughly a year, same as DE. SE's can be mounted in a variety of ways, but are usually installed horizontally along the length of the aquarium....
antonsemrad
09/17/2006, 01:23 PM
Well my good friend, who is into plants, told me that MH bulbs (SE) last longer in the vertical position. Frankly I don't understand why this wouldn't be true over the top of an aquarium also, that is if it is not a myth. And for another thing, the advice to change after one year, I find misleading. How many hours are we talking about? Is there a fan blowing on this bulb or not? What are we lighting? (The o so delicate shade of blue sps coral, or the chaeto?)
RichConley
09/17/2006, 03:47 PM
<a href=showthread.php?s=&postid=8155648#post8155648 target=_blank>Originally posted</a> by STEELERFAN747
I agree, the se has a reflector, is closer to the water surface and has a 100 watt advantage and brightness wise would seem to get outdone by the "inferior" hqi.
I personaly have hqi's and my corals grow like crazy. If one is better than the other I dont know, What I do know (Richconnoly) is, and I'm sorry to say is the hqi smaller, less wattage is brighter. Now I realize you defend the se because thats the technology you are using, but we need to be honest with ourselves.
By the way, dont worry, be happy and reef on. :fish1: :fish2:
Actually SteelerFan, I use HQIs. That doesnt prevent me from knowing that SEs are generally better. The only poiunt I'd reccomend DEs is on small tanks.
RichConley
09/17/2006, 03:48 PM
<a href=showthread.php?s=&postid=8164494#post8164494 target=_blank>Originally posted</a> by antonsemrad
Well my good friend, who is into plants, told me that MH bulbs (SE) last longer in the vertical position. Frankly I don't understand why this wouldn't be true over the top of an aquarium also, that is if it is not a myth. And for another thing, the advice to change after one year, I find misleading. How many hours are we talking about? Is there a fan blowing on this bulb or not? What are we lighting? (The o so delicate shade of blue sps coral, or the chaeto?)
It all depends on how theyre designed. Most of the ones we use are designed to be horizontal.
benray4fun
09/18/2006, 02:04 PM
<a href=showthread.php?s=&postid=8165233#post8165233 target=_blank>Originally posted</a> by RichConley
It all depends on how theyre designed. Most of the ones we use are designed to be horizontal.
The design is definitely what makes me want to buy the hqi's, they're so small and sleek, also they come with the lighting necessary. All in one small unit, they really are impressive when you look at'm.
Everyone is entitled to their own opinions and choices, but I just think that Hqi's are physically much smaller and do the job just as good as moguls, if not better...
I'm not trying to sway anyone either way, cause they both do a good job..."I just like the extra room".:thumbsup:
RichConley
09/18/2006, 02:13 PM
Thats the reason to get HQIs right their.
Theyre small and sleek. On big tanks though, the moguls with their big reflectors do a much better job.
WinkeyWoneye
09/18/2006, 02:55 PM
OMG STOP the madness......PLEASE! :mixed: Why is it this issue keeps being re-dragged out.....In the end its all the same garbage being said in every one of the HQI vs Standard threads....It is largely based on personal preferance and what best fits YOUR needs. Screw the debate about this ones better than that one... They both will make corals grow no?????? Screw graphs too, they cant tell a person what light they will like better. DE bulbs are a bit more compact than SE and thats all I care to know about them. Other than that its your personal choice! There is still no rock hard evidence that one bulb is better than the other, givin environmental variables and such.
benray4fun
09/19/2006, 09:10 AM
<a href=showthread.php?s=&postid=8172168#post8172168 target=_blank>Originally posted</a> by WinkeyWoneye
OMG STOP the madness......PLEASE! :mixed: Why is it this issue keeps being re-dragged out.....In the end its all the same garbage being said in every one of the HQI vs Standard threads....It is largely based on personal preferance and what best fits YOUR needs. Screw the debate about this ones better than that one... They both will make corals grow no?????? Screw graphs too, they cant tell a person what light they will like better. DE bulbs are a bit more compact than SE and thats all I care to know about them. Other than that its your personal choice! There is still no rock hard evidence that one bulb is better than the other, givin environmental variables and such.
Are those aqualine buschke hqi's over your tank?....
vBulletin® v3.8.4, Copyright ©2000-2024, Jelsoft Enterprises Ltd.