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Old 12-26-2006, 01:49 AM   #1
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T5 Questions

Hey All!

I have confusion about lighting. Here's what I have...

I have a 29 Gallon saltwater set-up and for lighting I have two (2) sets of T5 lights. Each 30" light strip conatins:

1- 18 watt 10,000K Daylight T5 Flourescent Lamp
1- 18watt True Actinic 03 Blue T5 Flourescent Lamp

So I have double the lighting of what is listed above. (Sorry if that is confusing at all...haha). I was wondering what kind of anemonies and corals I could host (if any). My brother has a rose anemone that is about to spilt (again) and wants to give me the split...can I support that? Any help would be great! Thank you!

,Asher
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Old 12-26-2006, 11:58 AM   #2
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So, currently, you have about 1.24 WPG. If you double that, you will have 2.48 WPG. I think that might still be too low. I think (and please correct me if I'm wrong) you need at least 4 maybe even 6 WPG for an anenmoe.
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Old 12-26-2006, 12:37 PM   #3
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Closer to the 6. You wont have enough lighting for the split. MH`s are suggested for anenomes. You could maybe have some low to medium light corals. Try starting off with some mushroom corals.
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Old 12-26-2006, 12:41 PM   #4
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Quote:
Originally Posted by melosu58
Closer to the 6.
Thanks for the clarification!....updating database....error, can not compute, too much data...system crashing! LOL!
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Old 12-27-2006, 03:28 AM   #5
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I thought I was told that the wattage of T5 lighting works differently than regular compacts...besides, I have had an atlantic anemone and another type for months with only one set of the above lights and they have done great so far. Now I have two and the other things in the tank are loving it...
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Old 12-27-2006, 09:31 AM   #6
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When people get anenomes and they dont have enough light the anenome will look ok for a couple months but then it will start to deterioate and get smaller because it does not have the proper algeas in it`s tissues anymore. People will get an anenome and it will last a while and then all of a sudden it`s falling apart and bleaching and getting smaller and they dont think it was the lighting because it was OK for a few months. JMO and JME
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Old 12-27-2006, 11:49 AM   #7
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Asher your correct the watts per gallon was developed for t-12 bulbs and does not work for other lighting systems. T-8 bulbs were developed to produce the same amount of light as t-12 but with less electricity same for t-5. There are a number of factors that will affect the exact amount of light your t-5 are producing (t-5 or t-5HO, overdriven or not, quality of the reflectors) but its much higher than the 2.48 watts estimated by the wpg rule.
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Old 12-27-2006, 11:51 AM   #8
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You have double the iniital lighting, right? So, actually you have 72 watts T5 over the tank. So that is roughly 2.4 watts per gallon already. T5 penetrates deeper than regular PC lighting and has a higher intensity, aren't really comparable watt for watt, or so I've been told. This lighting stuff still trips me up every time. Are your bulbs HO T5?

I would say you may be able to get away with the rose in that lighting, but I'd feel more comfortable adding atleast another T5 strip over it.
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Old 12-27-2006, 12:06 PM   #9
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Why do we still confuse the issue by talking wpg?
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Old 12-27-2006, 12:12 PM   #10
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Because both roka and melosu mentioned watts per gallon and I was mentioning that T5 lighting isn't really comparable watt for watt, or with the watt per gallon rule. There was a slight adding mistake by the inital replyer.

Sorry Scott.
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