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  #1  
Old 10-28-2013, 01:11 AM
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Yes you are right but you are now running round in circles the original point you made was LED heated up a tank more than MH, that simply is not the case, in fact impossible. the LED unit would melt, the LEDS would be so inefficient due to the heat.

In your first post you said an LED heats the tank more now its "you need a heater to get it up there" bit tired did I miss read something?

So yes if you run MH you need a chiller even if you have AC, with LED you dont as they are putting no heat into the tank.

again not arguing just a friendly debate (no emotion to bloody words on a page)
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Old 10-28-2013, 01:13 AM
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Quote:
Originally Posted by Aqua-Digital View Post
Yes you are right but you are now running round in circles the original point you made was LED heated up a tank more than MH, that simply is not the case, in fact impossible. the LED unit would melt, the LEDS would be so inefficient due to the heat.

So yes if you run MH you need a chiller even if you have AC, with LED you dont as they are putting no heat into the tank.
Where did I write that?

What I wrote was:

Quote:
With halides, your heater runs less; with LED, your heater runs more
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Old 10-28-2013, 01:15 AM
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I really don't know why those that have never tried LEDs keep posting on the topic. They blurt out all these "facts" that those of us that actually have experience with have to correct. I read or heard this means nothing.
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Old 10-28-2013, 01:19 AM
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Quote:
Originally Posted by Madreefer View Post
I really don't know why those that have never tried LEDs keep posting on the topic. They blurt out all these "facts" that those of us that actually have experience with have to correct. I read or heard this means nothing.
Haha. I was waiting for that
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Old 10-28-2013, 01:19 AM
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Quote:
Originally Posted by Madreefer View Post
I really don't know why those that have never tried LEDs keep posting on the topic. They blurt out all these "facts" that those of us that actually have experience with have to correct. I read or heard this means nothing.
Bill I haven't posted anything about performance of LED over here. I am talking about cost-benefit and electricity; something that can be judged from the manuals and numbers and doesn't need any sort of experience.
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Old 10-28-2013, 01:36 AM
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I probably should know better than to wade into this debate. But I used to have T5's and now run Radion LEDs, so my experience might be relevant.

I should first mention that I now have two 6' tanks with closed canopies (vented) and covered tanks. Initially I had one tank with T5s. There was a lot of heat produced by these, and the chiller (1/3 HP model, ran for about 8 hours a day, both summer and winter. I am quite sure that even the room was heated up by these during the day. But at night the tank cooled down and the heater would kick in usually about 6 AM and cycle on and off for about 3 hours, until the lights were on for a while.

Then I replaced the T5s with Radions. Shortly after I also added a second 6 foot tank also covered, and with canopies and Radions. I now have two 6 foot tanks running off one sump, so the heater and chiller are for both tanks. What's interesting is that the heater still only runs about 3 hours on and off, same as before when I had one tank with T5s. But my chiller which now has to cool 2 tanks only runs about 3 hours a day, starting just before my LEDs peak for the day.

So, for me, I believe there is a huge power saving. And there is very little heat vented into the room now, from my canopies.
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Old 10-28-2013, 01:17 AM
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Haha. Yeah. Now I need to spend $2000 on ac to get rid of the chiller

I run a single 250w halide over my tank. While I do have fans. They have yet to turn on. While brad for example still needed his chiller with t5.

I know what your saying with profit margins on led. I recently had comversation with lfs in this. It makes it hard to make money with such small profits.

Reality is. I like halide. I'm sure I will also like led in the future. Other than operating cost. It will take 9 years of bulb replacements to cost the price of a mitras. And after that 9 years I'll buy a 2nd hand mitras for $300. Proven. Look at gen 1 radions

As for operating cost. If we really cared then things like A/C, hot tubs and personal work shops would all half to go. My hottub runs me $70ish a month. Do I use it enough to justify that? Probably not. But I haven't ****ed and moan about that yet
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Old 10-28-2013, 01:17 AM
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Quote:
Originally Posted by Aqua-Digital View Post
we all know the sunglasses are just a gimmick bit of fun i dont see how that has any relevance The packaging has also no reflection on the units ability to perform. So you are saying your purchasing choices are made based on a glossy box. Great news the GHL now has a glossy box

In regards to the price, its the technology you are buying, its up to the consumer if they wish to take that leap to the next level.

Dont take my reply the wrong way, just having a bit of light hearted banter with you on a Sunday evening.
Well when you are paying $1000 for a fixture, you would love to have fancy boxes. One thing that I did notice is that european brands don't pay much attention to boxes while american manufactures put their things in awesome boxes. Tunze pumps vs vortec pumps. Salinity salt box vs H2Ocean salt box; mitra's box vs radion's box.

Oh don't worry about that...I love debates
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Last edited by mrhasan; 10-28-2013 at 01:20 AM.
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