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Originally Posted by fishfingers
It doesn't matter what type of lights you use you will be able to grow just about anything, as long as you have enough of it.
Yes, I've seen many examples of this. Not sure on your tank size but 4 t5 bulbs with good reflectors will allow you to grow pretyy much anything. More would be better though of course.
I'm not to informed with the way lights work myself, but I know when your looking into lights the amounts of watts isn't what you should look at, it's the PAR that's most important. I don't know what that is TBH (if someone could explain that would be tops) but T5's have a better PAR than VHO, which makes them more appropriate for reef tanks (even though VHO has more watts).
Anyway I found most of this information under a google search of T5's vs VHO. It seems most people thought T5's would be the better option.
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What you said about it doesnt matter what light you have as long as there is enough of it, is true. But the thing is you cant light a reef tank with NO bulbs. Sure if i could somehow concentrate the light of about 40 of them into your tank than thats fine. The only thing is that no one can fit 40 NO bulbs over their tank. Same with T5 or VHO. What im asking is, is it possible to fit enough T5 or VHO bulbs over a tank.
[i might be wrong here but] par is the amount of lumens per watt. T5 have something like 92 lumens per watt which means that you need less watts to acheive a certain amount of lumens.
Damon, i dont mean to sound rude but, how do you know its possible?