The T5 Q&a Thread

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Hey Grim,

I have a 8 bulb Nova Extreme fixture for my 75g. I already have the following newer bulbs:

(2)g-mann actinic+
(1)UVL 75-25
(1)UVL aquasun


Can You give me a suggestion for the other 4 spaces. My 75g will have mostly LPS and a couple zoas and a few SPS. I'm looking for a crisp white but a hint of blue.

Also, would retroing 2 bulbs into a single 2.5" wide SLR reflector be worth a shot? I thought i saw a thread a while back but i dont remember the outcome.

It would look something like this-----> /oo\/oo\/oo\/oo\

Thanks
 
Crazzy,
Can you elaborate on what you mean per your post?? I read through the thread and can see where a lot of hobbists are unsure as to the lighting need for their tanks. There seem to be various opinions out there....
Are you saying that any item purchased on Ebay will be made of inferior materials or what do you mean by "mistake"??? I read where people have purchased very expensive lighting and were not happy with results, etc. I've logged on to RC to get advice/assistance, so please explain your comment.
 
<a href=showthread.php?s=&postid=13645234#post13645234 target=_blank>Originally posted</a> by doovid
Crazzy,
Can you elaborate on what you mean per your post?? I read through the thread and can see where a lot of hobbists are unsure as to the lighting need for their tanks. There seem to be various opinions out there....
Are you saying that any item purchased on Ebay will be made of inferior materials or what do you mean by "mistake"??? I read where people have purchased very expensive lighting and were not happy with results, etc. I've logged on to RC to get advice/assistance, so please explain your comment.

In reading thru this post you will have, I am sure seen that many before have referenced different lights and fixtures for sale on Ebay, and that it seems the universal answer has been that they are not worth buying, mainly because the relectors are not good enough. I definitely donot want to give you any advice regarding this, but it seems that buying lights that are wholly not up to the job of supplying enough light to keep your animals is not what one should want. In a nutshell the cheap units and lamps donot give out enough light or reflect it to keep your friends alive. Unfortunately good lights and lamps are expensive, but they may be putting 5X the light on the bottom of your tank to keep your friends alive. The mistake I refer to, is buying non named brand fixtures that are not specifically referenced in this RC thread and others. Indeed there has been a "switch" to an acceptance to T-5's only in the past 18 months because the quality has improved dramatically. And LED's are starting to come on strong.
It just is that in keeping SPS and Clams one needs a lot of light that many just do not deliver. Look at the major improvement in the past 6 months, just by having a M.H. reflector designed for reefs.
Donot in way think I was being any way negative towards you, your question was somewhat like how long is a piece of string and a generalized question could not get a specific answer. If you see a better quality name brand on Ebay, buy it, but is it the better ones pointed out here? also many bulbs on ebay are worthless for Reefs.
I am sure that you can ask pointed questions and people like Grim and others will be glad to help you with specific suggestions to specific questions, all want to help. Realize that many swear by M.H. and would not use T-5's and vice versa. But in each, they are NOT using cheapo's from Ebay.
Once you sort out which you want, you might find them on RC under the Used Drygoods section for sale. I believe that what you will require will not be found on Ebay, but them I have been mistaken before.
Read, Read, and read some more, ask lots of questions, and even then like the best of us you will still make mistakes, just try not to make ones that can be avoided.
 
Thanks for your response. I guess I was somewhat vague in my first post, as I'm not just looking at the no-name units on Ebay. I'm also very interested in the popular units like Icecap SLR, ATI,etc.. I wasn't upset about what you said, I just wasn't sure what you meant by making a mistake--granted Ebay has some great deals but you need to know what you're bidding on....

Anyway, I'm still debating as to the number of bulbs (6 or 8) and the mixture of types of bulbs for my 90gal tank. I hope that you and other members of RC can help steer me in the right direction.
 
<a href=showthread.php?s=&postid=13646889#post13646889 target=_blank>Originally posted</a> by doovid
Thanks for your response. I guess I was somewhat vague in my first post, as I'm not just looking at the no-name units on Ebay. I'm also very interested in the popular units like Icecap SLR, ATI,etc.. I wasn't upset about what you said, I just wasn't sure what you meant by making a mistake--granted Ebay has some great deals but you need to know what you're bidding on....

Anyway, I'm still debating as to the number of bulbs (6 or 8) and the mixture of types of bulbs for my 90gal tank. I hope that you and other members of RC can help steer me in the right direction.

A 6 bulbs Ice cap retro will be fine
 
<a href=showthread.php?s=&postid=13640735#post13640735 target=_blank>Originally posted</a> by ianiwane
It is cooled. I am still trying to find the sweet spot with the cooling. There are fans on one end of the fixture (6 of them) and there is a voltage control on the plug. How many inches of sand do you have? Do my par values seem low to you then?

You PAR is good enough for about anything you want to grow. Sandbed in my tank is a couple inches

If you havent done so already put the label end of all your lamps at the side with the fans. Keep the lamps as level as possible while changing them, maybe the label end slightly lower. See if that helps out the PAR.
 
hey there, so i am getting a 90 gallon tank 24" deep, im looking to run a t-5 system on it i am not to familiar with t5 since i run metal halide usually i am wondering what system you suggest i run on it it is a 48" long tank and it comes with a canopy i am looking to run maybe a retrofit? i am looking for the best possible way to go, how many bulbs? what brands? everything thank you in advance!
 
Doovid
First up is what do you want to keep, you mentioned softies and maybe a few SPS.
If you make a conscirous decision to keep the SPS higher up, your light requirements are much less than having them on the bottom. The price of electricity today depending on where you live is making more people go for T-5's. If you decide what you are to keep, where and then what "look" {M.H. have "shimmer" }, you then can address which hi-end reflector you can afford, to the decide which bulbs to use for which colored look ActiniC, Blue, bright white?? Oh then just to complicate a little more do doyou want to emphasis looks or growth, there will be some compromise involved!
You see, a lot of this has to do with what YOU are wanting.
 
Perhaps Grim can give me his view on what would be an optimum layout of T5s for a 6 bulb array???!!! They would be fastened under a typical 10" high hood.
 
<a href=showthread.php?s=&postid=13641192#post13641192 target=_blank>Originally posted</a> by Billionzz
Hi Grim,

Thanks for all of the great information,

My tank dimensions are
24" left to right
21" front to back
20" top to bottom

I want to order an ATI Powermodule but I want to be able to still have zoas and mushrooms.

I have sps corals but I don't want to be limited to only sps. If I order a 4 bulb fixture would that work and allow me to have zoas and mushrooms or would it not be enough light coverage for the tank?

If I go with 6 bulbs will that limit what type of coral I can place in the tank?

Thanks for your help,
Bill

If you can place your high light stuff at the rear so it's under the lamps and the lower light stuff out front on the sand you should be good.
 
I want it all!!!!
Kidding aside, I suspect that what I desire is appearance first, closely followed by growth! I can live without the MH shimmer, but also want to have some LEDs for night viewing,etc.
 
<a href=showthread.php?s=&postid=13641428#post13641428 target=_blank>Originally posted</a> by CBehr
Hello, I need to channel the infinite wisdom of the T5 gods :) I have a 100g stock tank, roughly 48"x28"(frags will be 6-8" or so from the surface. and am going to run 3x54w T5's over the tank using an icecap ballast and ice cap SLR reflectors.

Main goal, grow and color a wide mixture of zoa's to SPS. I was thinking of running somehting like a 6500k on the right, then a 10,000-12,000k in the middle, then a 20,000k on the left. Start all the frags on the right and as they grow shift them over so they color.

Sound like a good idea? If so what bulbs would you suggest, and how how do I hang the lights and space them apart? I realize I should have probably 5-7 T5's for this wide of a tank but just can't afford it for now...

I'd run Tek II reflectors, they are wider and will spread the light better.

Front
UVL Aquasun
ATI Aquablue
ATI Blue Plus

Just move the frags to the rear as they grow taller
 
<a href=showthread.php?s=&postid=13641505#post13641505 target=_blank>Originally posted</a> by Keith P
Thanks for the quick response Grim. You are such a help to us and the hobby!

What would you recommend as one or two steps bluer? I think I will initially have some LPS scattered in my tank...

Do 2 UVL Super actinics and 1 UVL 75/25 for a little more blue or swap the first 75/25 for a Blue Plus for a lot more blue
 
<a href=showthread.php?s=&postid=13641904#post13641904 target=_blank>Originally posted</a> by iPeter
Me next, please!

60 gal, 16" top to bottom, 16" front to back. Will T5s be enough for anemones? 4 or 6 bulbs? Or should I just do the halides? I want bubble tip anemones.

Thank you!

Aquactinics Tx5 would give you more than enough light for anemones (5 lamps)

4 lamp Tek would work but I would way rather have the Aquactinics fixture.
 
Re: Re: Re: Lighting Help

Re: Re: Re: Lighting Help

<a href=showthread.php?s=&postid=13642002#post13642002 target=_blank>Originally posted</a> by MstgKillr
How do you think 4 rows would turn out. I don't think I can fit anymore than 4 rows.

With 4 rows you would certainly have more options. In that case I would probably do 3 rows of Blue Plus and 1 actinic
 
<a href=showthread.php?s=&postid=13642680#post13642680 target=_blank>Originally posted</a> by doovid
I'm new to all this so need the expertise of everyone on this site!!!
I have a 90 gallon, 48"X18"X24" tank and want to keep a mixed tank with softies and everything---to include maybe a few SPS. I'm looking at a retro kit on Ebay; either 6 or 8 T5s. Which kit is recommended to maintain my tank? Also what light combo and running times are suggested/recommended??? Thanks!

I read ahead a bit, heed the advice offered in the post right after yours. Get good stuff.

You should get a 6 lamp Ice Cap HO T5 retro from reefgeek. You could start with 4 lamps and add a couple more later on/
 
<a href=showthread.php?s=&postid=13643348#post13643348 target=_blank>Originally posted</a> by iPeter
From page 2:



Same goes for a 48x16x16, right? Same depth and height means four bulbs is cool? Again, I do want anemones, so I need to factor that into the equation.

Yep, 4 will be fine.
 
<a href=showthread.php?s=&postid=13643370#post13643370 target=_blank>Originally posted</a> by holdyourlight
if i added the blue plus it would be 3 actinic lights so i would think that would hurt my growth quite a bit? i have never heard of the Koral light and not sure where to find one. any other daylight bulb with a higher K rating that would do the trick? thanks

Koral Light is the highest K Daylight type lamp I know of.

The Blue Plus is blue light, not actinic. It has pretty good PAR, 10 maybe 15% lower than the aquablue
 
Grim, for my 90gallon tank. If I go with the 6 bulb IceCap, what would you recommend for the bulb layout? Any ideas as to how much time to run each bulb?
 
<a href=showthread.php?s=&postid=13644931#post13644931 target=_blank>Originally posted</a> by joelbegt
Hey Grim,

I have a 8 bulb Nova Extreme fixture for my 75g. I already have the following newer bulbs:

(2)g-mann actinic+
(1)UVL 75-25
(1)UVL aquasun


Can You give me a suggestion for the other 4 spaces. My 75g will have mostly LPS and a couple zoas and a few SPS. I'm looking for a crisp white but a hint of blue.

Also, would retroing 2 bulbs into a single 2.5" wide SLR reflector be worth a shot? I thought i saw a thread a while back but i dont remember the outcome.

It would look something like this-----> /oo\/oo\/oo\/oo\

Thanks

I'd add a GE 6500K Daylight, another Super Actinic, Aquablue and Blue Plus

The 2 lamps in one reflector deal worker pretty well. It was in Ice Cap reflectors.
 
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