Switching from mh to t5 u think be beneficial for sps?
- Thread starter BrentH
- Start date
jackson6745
Yeah Yeah
Yes it is. Understand thank I am not talking about light penetration in general, because a 400w halide would show higher par further from the source. I am speaking of the complete coverage that a t5 can provide. There are no shadows and every inch of coral get illuminated. This is most apprent with corals that have a clustered growth pattern, and grown out reefs with dense growth in general.
Care to provide some substance? Too much misinformation is based around on this hobby as fact.
If your tank is doing well, why change? I've made this mistake more than once. What may work for one person, may not work for another. Halides are the bees knees changing from them because of power concern is one thing, changing from them to improve lighting is another.
Personally, I love T-5s, I think they are a great light source with great color options. However, What you have (000 watts of radium halide) can't be improved.
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jackson6745
Yeah Yeah
Don't know.
If you spend some time in a tank with par meter, you will see the uniform par spread across the tank and each coral using t5. I am not for halide, or t5, I am for both. I run a 400w radium on a 32" cube. If I don't run t5's in addition you can see the par drop off more steeply away from the halide hotspot. You also notice more shadows on corals and between branches. IMO/IME the t5 helps illuminate the coral fully and increases its health. Just because my experience hasn't been confirmed by a study, doesn't exactly make it misinformation. I do understand your concern though.
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Moser
Active member
I switched in October. I bleached a few LPS, but SPS were fine.
I think it was more the LED setting.
It's a great light. You would do well with either the hybrid, or even the Sunpower T5 if you wanted to keep costs down.
The Hybrid adds a beautiful royal blue/ violet shimmer though!!.
Mo
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Moser
Active member
Exactly!, care to show us your facts and not baseless opinion?!.
My opinion is based on my 1000Gal SPS system. I was always told SPS wouldn't grow with T5 over 30" and even that would be a struggle, so I never tried!.
I ran 400W Radium for 4 years and just switched to ATI T5 Hybrids, thinking that the LED would help me punch down…..
Even with 9x400W radiums, I could see SPS colours vary due to proximity to the bulbs. i.e. relatively shaded areas are less intense in colour.
With T5, the colour is more uniform and the growth pattern doesn't follow the light source!. The coloration is more solid and even and penetrates between branches much better, because there is no point source!.
I don't even need the LED on a 36" tall tank!.
Whats your evidence of your opinion please, since you called me out!…….
Mo
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Moser
Active member
Who would want to do a study on it???… and who would consider publishing such a silly study?!. Its common sense.
Mo
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Moser
Active member
WRONG!
Radiums are beautiful, but they lack low end pop!. Thats why many used to add UVL super actinic.
With T5, you can mix and match. With a Hybrid, you add royal blue and violet, which Radiums cannot match.
You also get a completely even spread of light..
To say Radiums cannot be beaten, you have to have tried all of the rest to have that conclusion"¦. when did you try all of the rest?.
What was your opinion of the ATI Hybrid?.
Mo
Moser
Active member
That depends on what you compare.
Over my tank, 9x400W Radium would be considered a lot of light, but wall to wall T5 puts out more PAR and if all the tubes were GE6500, there would be no contest!. So, it depends on what you compare.
Mo
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