What's the deal with T5?

justinx

Active Member
I have been hearing a lot about these new lights and am wondering what the advantage is. As far as I can tell, they are a reduction because in comparison to vho a 46.5" T5 is 54w where a 46.5" T12 is 110. so where is the advantage?
 

krux

Member
the lumen per watt output is higher. someone posted a comparison a couple weeks back. think of it the same way as a vho vs. a mh lamp. a 110w vho bulb puts out approximately 3000 lumens, while a 175 watt mh lamp puts out approx 15000 lumens. not sure exactly on the stats for the t5, but i do know its is a higher number of lumens per watt than vho (but less than mh), giving you more light in a smaller bulb diameter, and more luments per watt consumed (for those who are power bill conscious). also side by side you can fit almost 2 t5 in the same space as a t12, so for in hood installations where you need actinic, but cant fit a vho, this is the way to get your color.
i saw an order form for one laying on the desk at my lfs, so they are about to break out here in the states, up until now there were but a few who imported them from europe.
someone from europe can prolly give us more info, i know barricuda uses or has used them
 

broncofish

Active Member
I had them on my 29g, then I broke the system down, and had my 90g all set up. I went with VHO on the 90. When I moved my tank and developed a leak I had to re-set up my 29g. I went with VHO. I'll post a picture of each I had 4 22.5" bulbs at 25w each T5, now I have 2 50/50 VHO bulbs @ 150w total. I prefer the look of the VHO, the T5 was all right, but unlike the MH I could not see a huge difference between it and the VHO's intensity. This is the best picture I could find of my tank with the T5.
 
Top