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  #1  
Old 05-19-2017, 11:12 AM
BrianR BrianR 目前線上
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Default Lighting question for my 75 gallon tank

Sorry, this will be a long post, hope you guys with all the knowledge will take the time to read it all. I'm not sure if I am going to do Zeovit again, I never really had the success others do, I'm still on the fence. Want to not have to change anything if I do decide to come back, but over the years I've come to trust this forum and my questions on lighting setup probably wouldn't matter which way I go.

So got out of the hobby many years ago. I broke down my tank and all, put it all into storage. I have a 75 gallon standard tank. Oceanic Reef Ready. Has a center brace in it, glass, but is quite wide across. Maybe 12"? I don't have the tank in front of me for an exact measurement but should give you an idea and you can weight that factor in for anything light related.

What I have on hand for my old light setup is the following:

2 Icecap 250watt MH ballasts.
1 Icecap 660 ballasts.

What I used to run were the 250 Urisho 10K bulbs and then 2 VHO actinics. Back then, that seemed to be a good combo. But as the years have passed, there is probably better ideas for making those corals pop in color.

I've seen some of the ATI sunpower setups, where they just have all those T5 bulbs and then purchase an LED setup which basically mounts to the sides of those ATI units to add some POP to the colors. I really liked that setup, looks like little heat compared to the MH, and that is one of the factors i'm looking at.

If I decide to start that tank up again, it will now be placed in the living room. So I'm kind of concerned if those two MH's would heat the room up? I never really remember what the old location did with it. Just been too long. My house was always hot, but I think that was more due to a crappy A/C unit than anything else when I bought my house. I've since upgraded that sucker and now I can hang meat in my house if I so choose in the middle of summer. Before I couldn't cool my house to 75 degrees LOL.

Anyway, if I do decide to just reuse what I have, and I'm assuming it all works. I don't know why it wouldn't as it functioned just fine before I broke it all down, what could I look at doing for my setup?

1. Are the 10K still the way to go? I see people posting pics of their tanks and I love the color but they are using radiums I think? I only see those in the 400watt flavor, and people seem to say they don't go by a 10K or 14K reading, but if you wanted to compare a 20K 250watt bulb would be it? That sound right?

2. If so, what would I supplement that with? Seems like VHO is a thing of the past but my 660 will supposedly drive T5's. I can switch those old VHO's setup for T5's.

3. You think it would warm up my living room running MH's? I don't want to feel heat from the room. My thermostat is back in the hallway. It would take a bit of warmth for it to get there and kick that on. I don't feel like moving the thermostat either.

4. If heat might be a factor and I just go T5 setup, I believe I can drive 4 T5's with that 660 ballast. Hard to find a lot of good information on that now since Icecap has closed shop. You think 4 T5's over a standard 75 gallon tank, guessing the 48"x18"x21" is my measurements, would be sufficient? Don't have the tank in front of me to get that 100% but it has got to be close. Do you think I would need to go for 6 T5's and add those LED strips for the extra color factor?

5. If I would have to go for 6 T5's, I'll probably just buy one of those ATI setups, but they mount from the ceiling. I don't want to do that, I will be building a new canopy. Rough idea of how high those lights need to sit off the tank? I figure to build the canopy a bit higher, and just use the top of it as my ceiling, hang the fixture from there, and be able to make the smaller height adjustments that way. Bad idea?

I have a zillion other questions but they can wait. Lighting is what I am looking at now, hoping to hear from others who have tanks in their living room where all the family sits and running MH lights to see if they do notice the heat from it.

thanks,

Brian
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  #2  
Old 05-19-2017, 11:44 PM
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G.Alexander G.Alexander 目前離線
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Hello Brian, welcome back !

I have a different question for you, do you plan to use the same tank as before or will this be a new tank ?

I have seen beautiful reefs with just T5 and a combination of HQI + T5 to balance the yellow rom the 10k HQI bubs in the past, used both combinations with success so both for me would be a option again.

The pros for the HQU – T5 combination ire the shadows which create a very natural look, cons are the heat it will bring to the tank. In my opinion the combination is the most natural way to light a tank at the moment and growth / coloration of corals is perfect also.

With just T5 corals are growing well also and coloration of corals can be kept perfect however the natural look gets lost in my opinion.

I have no experience with LEDs so I can not tell you anything about them.

G.Alexander
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  #3  
Old 05-20-2017, 09:21 AM
BrianR BrianR 目前線上
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Yes, using the same tank. It's ok about LED's, don't plan on using them.

Think the two MH heat would be noticeable in a living room? Average size, my house is no monster with 4000 sq feet. Lol.

If I go T5's only, 4 sufficient? I'm thinking 6 would be needed. And would have to build something in the hood as they probably only sit 4-5" high off the water?
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  #4  
Old 05-20-2017, 11:38 PM
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G.Alexander G.Alexander 目前離線
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It is a question of taste but for a living room I think the HQI or HQI + T5 is the best option. If you go 100% T5 I would recommend to cover the whole water surface with bulbs. Placing the T5 4 – 6 inch above the water surface works well.

Because of the tank, the silicone might become a real problem if it was dry completely for a longer time. From my experience such tanks do leach later very often. Personally I would use a different tank or renew the silicone from a specialist completely.

G.Alexander
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  #5  
Old 05-21-2017, 11:03 AM
BrianR BrianR 目前線上
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It has been completely dry for maybe 3 years now. "Leach", was that meant as leak? Think if I filled it I would know relatively quickly or could that be a 6 month kind of thing down the road that it could happen? I didn't know something like that was possible. I have 2 75 gallon tanks in storage, not temperature controlled either, but outside storage units. Behind lock and key kind of storage units. Millions of those kinds of places around. These tanks really would be junk now in terms of holding water? Well crap, that just bites.
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  #6  
Old 05-22-2017, 12:00 AM
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G.Alexander G.Alexander 目前離線
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Sorry I was talking about a leak. Some information:

http://www.aquarium-pond-answers.com...-silicone.html

Quote:
Most Silicones last as to the stated lifetime from the manufacturer from my experience in keeping literally 1000s of glass aquariums, however being under water, and the acids, etc., do take their toll on the silicone.

However in an aquarium has been used, then left dry, I have found that the silicone will often leak when water is then added again. This is not a problem with a stored new/unused aquarium unless stored in sunlight.

In the case of a stored aquarium with dried or cracking silicone, it is best advised to remove the old silicone and re-apply, do NOT apply new silicone over old silicone.
But I have seen this after some time after refilling the tank happen also.

G.Alexander
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  #7  
Old 05-22-2017, 10:26 AM
BrianR BrianR 目前線上
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Yes. I started checking around after you told me this. So thanks. Seems it's a 50/50 chance. But sounds like if it will leak I should know within a week of testing. But this might be enough of an excuse to upgrade tanks. I don't have a large footprint but in my measurements a 48x24 LxW is perfect. So now I'm on the hunt for something like a 120 gallon tank. That has the exact footprint I'm after.
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