Beenalongtime79
New member
thanks for the info. grim and hahn! I think I'm set on the T5's. Maybe now my corals will color up and fluoresce a little more. 
I'd think that much overhang would throw a LOT of ambient light into your room.<a href=showthread.php?s=&postid=9227028#post9227028 target=_blank>Originally posted</a> by rp marine
yea i was thininking about mh too but after reading this thread it made me consider to go with t5. do you think 6" over the tank is good enough for the 250w without a heat issue?
<a href=showthread.php?s=&postid=9227164#post9227164 target=_blank>Originally posted</a> by GuySmilie
I'd think that much overhang would throw a LOT of ambient light into your room.
You might want to think hard on that if you or the s.o. are into aesthetics. I know my mine wouldn't
Guy
Well I understand what you're saying, but if that fixture is hanging over the ends of the tank by 6 inches, then all those tubes will be shining light (intensified by very efficient reflectors) directly onto the floor plus whatever hits the walls within that 4-5 foot distance on the way down.<a href=showthread.php?s=&postid=9227359#post9227359 target=_blank>Originally posted</a> by TropTrea
Actualy the big variable on ambient light loss is is realy a matter of how the reflector is designed. If your at all familuar with theartical and photographic designed reflectors the light can be ficused simular to a spot light with little if any ambient loss or it can be spread out in a flood like fashion with very even distributation at a wide angle.
Dennis
<a href=showthread.php?s=&postid=9225705#post9225705 target=_blank>Originally posted</a> by rufio173
Hey T5 guys (grim and hahn)...
I'm going to get one ATI blue plus bulb and I'm trying to decide whether I want to get the UVL super actinic vs. the G-man pure actinic 03 bulb.
Grim, you seem to like the UVL super actinics a lot. Any reason you always suggest it over the G-man pure actinic bulb?
Hahn, feel free to chime in as I think you like the G-man bulbs quite a bit.
Cheers,
John H.
<a href=showthread.php?s=&postid=9227111#post9227111 target=_blank>Originally posted</a> by smoney
Wow, I just started reading this thread, and wow, is all I have to say, couldnt finished if I tried, there is just too much information, but good stuff.
Hey Grim Reefer, I have a 4ft long canopy and probably looking for a 36" retrofit fixture. Is there a T-5 retrofit kit that you would recommend? brand or amount of wattage? Looking to maybe keep sps corals.
Thanks in advance,
Sonny
<a href=showthread.php?s=&postid=9227519#post9227519 target=_blank>Originally posted</a> by flapjack1439
I'm replacing 4 vhos with T5s because the ballast will fire them. I have to replace the ballast of the other 2.
In looking at the Reefgeek website, I see they state that the Triad ballasts will not overdrive the bulbs. Don't you want the bulbs to be overdriven?
If I replace 2 75 watt vhos with 39 watt T5s, if they are not overdriven, will I see a difference?