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Old 04-20-2007, 10:22 PM
 
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Default Lighting Basics - 4/28 - 6 Lamp Fixture run on 4?

Hello.

I'm new, this is my second post, first was about water pumps, now I'm moving along. I've found some cool plants that I'd like to include in my viv when I get around to that part but I'm a bit clueless as to lighting. Could somone direct me to some basic threads or basic source of information about lighting.

I'll probably start with a 29 Gallon terrarium, but info on anything from 20-40 gallons would be appreciated.

I intend to try and grow moss, along with some Broms on the back wall and various other plants in the viv as well, not sure how this effects what I'm asking.

Also I always see plants that require "medium" or "low" or "high" light. What's the difference and how can you tell these things.

Thanks in advance!

Bill
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Old 04-21-2007, 03:07 AM
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Try here for lots of information:

http://www.thekrib.com/Plants/Tech/light-spectrum.html
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Old 04-23-2007, 01:41 AM
 
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Ok I've been doing some more research and I've got a new lighting-based question.

If I get tube lights, probably T5's, can you put 30" or 36" bulbs over a 48" enclosure or should the lights run the entirety of the enclosure.

Thanks!

Bill
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Old 04-23-2007, 02:15 AM
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Not a good idea. Fluorescent lights lose strength as you approach the ends of the bulbs. With a short light, the ends of your tank basically won't be lit at all.



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Old 04-23-2007, 04:01 AM
 
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That's what I figured.

Where is a good place to buy actual fixtures? It needs to have legs to keep it off the glass right? I have looked around but had some issues. Could you link me to some places that actually sell the fixtures with legs?

Thanks

Bill
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Old 04-24-2007, 06:50 AM
 
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Ok, another few days worth of reading and I think I'm getting closer to where I need to be.

Let me know if I'm right in my estimtaions here.

I read that it's about 1.5 watts per gallon, I've got a 70~75 gallon enclosure (48x18x20) so I'm thinking I need at least 110-120 watts? To accomplish this I've been looking at this site:
http://www.ahsupply.com/index.html

If I use 2x55w kit and build an enclosure for it running 47 1/2" that gives me about the entire enclosure and 110 watts.

Would it be preferable to do it this way OR should I go 2(2x55w) kits. This would end up giving me 220 watts and this might be overkill/overheating yeah?

Which would you guys recommend? Or is there a solution that I have not covered as of yet?
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Old 04-25-2007, 04:35 AM
 
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Anyone have any thoughts on the lighting?
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Old 04-25-2007, 05:40 PM
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I used an AHsupply 96 watt over my 40 gallon tank and I really like it (2.4 watts per gallon.)

Your tank is 75 gallons. I think the 110 watts over a 75 would look good (1.46 watts per gallon.) I am not sure that it would color up your broms very well. It really depends on the plants, some people suggest about 1 to 1.5 watts per gallon.

220 seems a bit much (2.9 watts per gallon.) However, I saw a 75 gallon bowfront with 220 and it did not seem overwhelming.

You have 18" of depth, so you could supplement the 2 55 watts with another 55 watt in the middle just behind the first two. That would give you about 2.2 watts per gallon. The cofiguration would look like:
----
---- ----

Or you could mix it up with the two 55 watts and a standard T-8 behind them to cover the whole length of the tank. That would give you about 1.9 watts per gallon.
---------
---- ----

Good Luck.
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Old 04-25-2007, 06:38 PM
 
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Thanks for the reply.

I do not see anything about T8's but the thing about the 3 T5's sounds interesting.

Maybe I could keep the 2x55's in the back to color up the broms and put the 1x55 in the front middle? Or just offset to the left away from the water feature?

My room temperature stays at about 68 degrees so would 220 watts overheat the tank? I do not intend to have any screening for ventilation, just opening the tank every day a time or two. This would not overheat it do you think?

I'd like to grow some Ricca as ground cover, I"ll be having Azerus so I think strong light is needed anyways? Is strong light considered 1.5 watts per gallon or is that considered medium light?
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Old 04-25-2007, 08:20 PM
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I was not talking about T5s. AHsupply only sells power compacts, not T5s. T5s are similiar to T8s or T12s only smaller dia. For reference, most offices use T12s for their lighting, the plain 4 foot length. The smaller the T # the smaller the diameter of the bulb.

Power compacts are fairly different from the T-line lights. Power compacts burn a little bit hotter and have a kind of a double bulb compared the T-line.

I would say that 1.5 watts per gallon is medium light.
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Old 04-25-2007, 08:31 PM
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Just make sure to put your broms towards the top, and they should color up under 2 x 65w (In my experience, 55w and 65w cf will both work iterchangably). Unless you are going to attempt pillow moss/riccia for groundcover, I wouldnt really be concerned saturating the entire tank with light.
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Old 04-25-2007, 09:31 PM
 
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Oh....I thought the AHSupply was for use with T5's, I didn't realize they were another form of longer CF bulbs.

Could you guys direct me to good products for my application (48x18x20/75 gallon, need good amount of lighting) please.

I've found this:
http://www.thatpetplace.com/pet/prod/204900/product.web

But I dont know what the Lunar lamps are...and it doesn't come with the right bulbs, I have emailed asking if I could substitute. If I can do you guys think this would be good for my tank?

Cmon, what do you guys use to light a 48" tank
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Old 04-26-2007, 12:50 PM
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I am recommending this product to some friends of mine that are building a 55 gallon terrium that is 48" long. Theirs is only 12" deep though.
http://joshsfrogs.com/catalog/product_i ... cts_id=360
This gives 136 watts of light which for a 55 equals 2.47 watts per gallon.
For a 75 gallon it would give 1.81 watts per gallon.

This is a fairly cheap way to get some good light.
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Old 04-26-2007, 04:05 PM
 
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What do you think of the unit I posted? I would really rather not have a hanging unit. Price is not so much of an issue as is performance.
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Old 04-26-2007, 04:49 PM
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The link you posted to the Nova Extreme looks like a nice light 216 watts total. That would give you 2.88 watts per gallon. That would be plenty of light to color up your broms.

The lunar lights are LEDs that come on at night for a moonlight effect.

I do not have any experience with this light, but it looks nice. I would go with bulbs in the 5500K to 6700K range.
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Old 04-26-2007, 05:53 PM
 
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Yeah, I've contacted them asking if substitutions can be made on the bulbs, there's a 6700k version that is compatable.

Any suggestion between these two:
http://www.drsfostersmith.com/Product/P ... 035+113030

or this one
http://www.drsfostersmith.com/Product/P ... 004+113030

?
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Old 04-27-2007, 12:39 AM
 
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Did you check out this fixture yet? http://cgi.ebay.com/2-4-6-or-8-Lamp-...QQcmdZViewItem

There was another recent post on them. If I hadn't already bought my fixture, I would consider this one. It has individual reflectors, which puts more light into the tank. The fixtures you have been looking at don't have them.
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Old 04-27-2007, 04:46 AM
 
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I had not seen that one Wendy, but I do not want one that Hangs, I want one with legs that I can place ontop of my tank.

That one also seems more like for a shop in which plants are grown.
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Old 04-28-2007, 03:11 AM
 
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They said changing the bulbs that come with it is not an option, so that'd be an additional 80 dollars. So for about 300 dollars I dont really think it's worth it any more. So the search continues, anyone have any suggestions for non-hanging light fixtures in the 216 watt range, preferably T5's.

Much appreciated

Bill
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Old 04-28-2007, 05:25 AM
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CF instead of T5, but it's a good deal.

48" Freshwater Aqualight 4-65W 6700k (Coralife) Hood

http://cgi.ebay.com/48-Freshwater-Aq...QQcmdZViewItem
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Old 04-28-2007, 06:53 AM
 
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Quote:
Originally Posted by Mitzu
CF instead of T5, but it's a good deal.

48" Freshwater Aqualight 4-65W 6700k (Coralife) Hood

http://cgi.ebay.com/48-Freshwater-Aq...QQcmdZViewItem
That's too many watts and would, I think maybe heat my tank up too much.

I've contacted these people
http://cgi.ebay.com/ws/eBayISAPI.dll?Vi ... 0108251489

To ask if they can make this fixture wtih 4 bulbs instead of the six. Or could it run with 4 bulbs even though there are six spots? Sorry, I've never worked with lighting on herps before.

It's perfect though, they have individual reflectors and it has a leg kit that raises it up instead of mounting to the ceiling.

I'll let you know if it works out.

Bill
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Old 04-29-2007, 06:55 PM
 
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Well I got tired of waiting for a response so I went ahaed and bought one that I think is pretty good.

It's a 4x54 watt aquarium lighting. HOT5's. 6500 or 6700k bulbs.

Thanks everyone.
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Old 04-29-2007, 07:18 PM
 
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post a picture of the viv when you put the lights on please.
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Old 04-29-2007, 09:09 PM
 
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This is the one I bought.

http://cgi.ebay.com/T5-T-5-HO-48-6X-54- ... dZViewItem
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