Help with lights

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BenPadelski

Aquarium Advice Activist
Joined
Aug 7, 2012
Messages
107
I want EVERYONES opinion on what lightIng system I should buy for my corals. Tell me what lights and why you picked them.
 
I have an Aquatic Life 6-bulb T5 HO on my 75. I got it becasue I got a good price on it because it was mssing one bulb and the acrylic splash guard. I like that it has one cord and an integrated timer which handles the moonlights, a bank of 4 bulbs and a bank of two bulbs seperately.

On my 37 I'm using a Current 150W metal halide. It was on clearance from Drs. Foster & Smith and I wanted something to replace the DIY 4-bulb VHO I had. I later added a single 24" T5 HO strip I got on clearance from PetSmart to make it a little more blue.

The most efficient set up is going to be LED. No bulbs to replace, generate very little heat and are very energy efficient. In a preconstructed unit, I believe you get what you pay for. The Marineland Reef Capable units are not what the name suggests at all. the top of the line seems to be the Ecotech Radion unit. It is dimmable, programmable, and you can adjust the spectrum of output. I will say I have read a lot of people rave about the value of the Taotronics dimmable units you can get through Ebay. Several folks have been successful with DIY kits from Rapid LED.

LEDs can penetrate pretty deeply (if you get the right ones) and give a nice shimmer effect, plus you get all the energy efficiency with no bulbs to replace. the technology is pretty new and we'll likely see them get better and more affordable in the not too distant future.

T5s generate some heat, and are probably the least expensive in terms of initial cost. Bulb replacement is expensive (allow AT LEAST $120 per year) and there is no shimmer. they may not penetrate well in deeper tanks. You will likely experience some spectrum shift as the bulbs age. With different banks of bulbs, you can create a sunrise / sunset effect if you want to.

Metal halides cost maybe a little more than T5s, but give you a nice shimmer effect. They penetrate the water well. They are very energy inefficient and create a lot of heat that might need to be dealt with via a chiller. The bulbs will also need to be replaced annually for at least $50 per bulb. Although not apparent to our eyes, the quality of the light spectrum the bulbs put out can vary widely. The spectrum is also prone to shifting over time, going from (possibly) blue to white to yellow so slowly you don't realize it until you change bulbs. I think most people would agree that halides look nicest when they are supplemented with a little T5. Metal halides kind of have a built in sunrise effect as they warm up, althoguh it's only over a few minutes.

Ultimately, it's a question of budget and priority as to what you choose. If money was no object, I'd go with the Radion units myself. But that's a $1200 + investment all at once. . .
 
I know what the lights do. I'm just asking what people prefer. Not anything against you because I like what you had to say, but I'm just stuck between LEDs and halides. Everyone is raving about LEDs right now. I know very little about them and I'm not convinced they are the best way to go yet. And yes, the radions better work well for being almost $800 a panel. But the halides have proven themselves.
 
Fish_freak23 said:
And for a 90 gallon tank I'm looking to spend no more than $750.

Ebay 120w dimmable leds get 120° lenses grow any coral youd ever want with these fixtures 2 fixtures for your 90g somethin like 175-200 $ / each nice color no heat
 
I'll probably get 4 of them since they are knock offs lol. Then when 2 of them die I'll still have 2.
 
Fish_freak23 said:
I'll probably get 4 of them since they are knock offs lol. Then when 2 of them die I'll still have 2.

Ive never heard of any bad reports from these fixtures make sure you get dimmable and i reccommend 120°lense to spread the light more some like 90° lense but it wont cover as much of the tank and also the light will be more consentrated
 
I have kessil LED. The way that I decided which kind of light to get was to go to a LFS and one of the employees showed my the difference between all of the lights on actual tanks. They have tanks set up with all different kind of lights. I loved the shimmer and blue tone of the LED. I also like that they last a long time. Kessil cost about $300 each including the arm to hold it.
 
Fish_freak23 said:
I'll probably get 4 of them since they are knock offs lol. Then when 2 of them die I'll still have 2.

Just wondering why your jumping into cheaply made chinese leds when your questioning the effectiveness of LED'S compared to halides. Kinda through me off. If you can deal with the bulb replacement, electricity, and heat of a metal halide then i would definitely use them. As you said they are proven with a long standing track record.

I question some leds, and if i were to choose an led to bet on, it would be from a very reliable manufacturer with loads of proven results and data behind them. Features are important with LED's, dimmable leds are a must as well as independent circuits for whites, blues that can can be independantly controlled on/off. Noise is usually an issue with the chinese fixures as they have 3 fans running if thats a concern as well.

Just trying to slow ya down for some research on your lights before ya go spending hundreds to make sure thats what ya want.
 
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