400W XM 20K Shots FTS please.

Sunny - with all this you just might convince me!

It's either two XMs on M59s and LA3s or a single Radium on HQI and Lumenmax. My tank is a 40x40 cube so it's not easy :(
 
<a href=showthread.php?s=&postid=7527968#post7527968 target=_blank>Originally posted</a> by Ceak
Sunny - with all this you just might convince me!

It's either two XMs on M59s and LA3s or a single Radium on HQI and Lumenmax. My tank is a 40x40 cube so it's not easy :(

Ceak, I ran 20K XM's on my old 120gl and abosolutly loved them. Coral was amazing but growth was moderate. Growth was moderate due to the bulbs being run on a 250W E-ballast.

Now with 400W I think this will be the perfect combo.

As for Radium vs XM20K, the spectral chart on Sanjays site shows that the two bulbs are almost identical. The XM20K appears to have higher spikes in the Blue range.

Basically why pay more money then you have to?

chart.jpg
 
Ceak, you could get away with one 400W XM20K on that tank but it would require strategic placement of corals. Add a couple T5's or VHO's on the side to even our the lighting and you should be good to go.

Or if you wanted you could stagger two Lumenarc's.
 
<a href=showthread.php?s=&postid=7522872#post7522872 target=_blank>Originally posted</a> by SunnyX
Thanks.

I got mine from hellolights.com also.

I may just make all of my VHO's into Actinic White. Ill wait and see how it looks at first.

Thats what I was thinking about doing, I think the 20k's might be a bit too blue for me...but I can always throw one of my 50/50 vho's back on...I like the color of 14k....but here nothing good about par off of them...my 10k's are not blue enough for me, I liked them at first...but not now
 
<a href=showthread.php?s=&postid=7528627#post7528627 target=_blank>Originally posted</a> by Justin/TiV
Thats what I was thinking about doing, I think the 20k's might be a bit too blue for me...but I can always throw one of my 50/50 vho's back on...I like the color of 14k....but here nothing good about par off of them...my 10k's are not blue enough for me, I liked them at first...but not now

Yeah, you really have to go with a 400W bulb if you want a blue bulb that has good PAR.

I should be getting the new lighting setup this afternoon. :rollface:
 
<a href=showthread.php?s=&postid=7528674#post7528674 target=_blank>Originally posted</a> by SunnyX
Yeah, you really have to go with a 400W bulb if you want a blue bulb that has good PAR.

I should be getting the new lighting setup this afternoon. :rollface:

ahh...well I'm running 250w SE xm 10k, not 400w

thanx
 
<a href=showthread.php?s=&postid=7528391#post7528391 target=_blank>Originally posted</a> by SunnyX
Ceak, you could get away with one 400W XM20K on that tank but it would require strategic placement of corals. Add a couple T5's or VHO's on the side to even our the lighting and you should be good to go.

Or if you wanted you could stagger two Lumenarc's.
If I were to go with only one MH it would probably be a Radium since it's brighter than the XM. But like you said if I have 1 MH then I will most likely need to add some VHOs and then the total amount of watts, heat and total cost would be very similar to having two XMs on Luminarcs... So the latter sounds easier ;)

What do you mean by stagger? The tank is 40 wide so two LA3s would fit perfectly, I also though I could have them in a slight angle so that both direct more ligth towards the middle of the tank and less on the sides...what do you think?
 
<a href=showthread.php?s=&postid=7528885#post7528885 target=_blank>Originally posted</a> by Ceak
If I were to go with only one MH it would probably be a Radium since it's brighter than the XM. But liek yuo said if I have 1 MH then i will most likely add some VHOs and then the total amoun of watts and Heat and costs would be very similar to two XMs on Luminarcs... So the later sounds easier ;)

What do you mean by staggering? the tank is 40 wide so two LA3s will fit perfectly, I also though I could maybe have them in a slight angle so that both direct more ligth towards the middle and less on the sides...what do you think?

I dont think the cost of replaceing Radium bulbs every 5-6 months is worth the extra 19 PAR you get out of them.
I was thinking maybe you could stagger tem something like this, but maybe a little closer to each other.
[_]......
.......[_]


Best thing to do is run two Lumenarcs side by side and keep SPS in the back 2/3rds of the tank.
 
Best thing to do is run two Lumenarcs side by side and keep SPS in the back 2/3rds of the tank
Which is basically the way you have yours... :P

I'm leaning heavily towards this option...
 
<a href=showthread.php?s=&postid=7529152#post7529152 target=_blank>Originally posted</a> by Ceak
Which is basically the way you have yours... :P

I'm leaning heavily towards this option...

Its worked great for me so I am sure it can work great for you too.

I've taken all the guess work out of it for you. :D
 
hehe right ;)

The problem is that my tank is open top so having two ugly LA3s over the tank (and not centered!) won't be very pretty...
 
Ok I hooked up the lights and fired them up. Took the pics when the bulbs were on for 10 Min. I expect the bulbs to burn a bit whiter within the next week or so.

Here is a pic of 10K XM
DSCN3460.jpg


And here is a pic of 20K XM
DSCN3483.jpg



I have not adjusted white balance yet to the pic appears much more blue than it really is. I will play with my camera some more to get it to portray the correct colors.
 
I have been watching this thread and I am trying to decide between Radiums and XMs. I am going to be using 250w Icecaps to run them though. I am not concerned with par, because they both have about the same par that my 14Ks put out (the radium puts out just a bit more). I am more concerned about getting awseome coloration. I can't wait to see the pics when u get that white balance set. Thanks for the useful info.
 
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