just something i found a while ago UV Lighting International T12 V-HO
Yup, I use UVL VHO lamps on two of my tanks. On each I run 3 Act 420 and one 50/50. the old standard lighting. Looks good, grows slow but healthy corals. As i found when i did par readings on them, they weren’t up to the levels of my 150 Watt HQIs with a pair of 54 watt ACT 420 T5s. but they work. A VHO is stronger than a T5 in output, and VHO actinics seem to look the nicest to my eye. It’s 110 watts at VHO amps compared to 54 watts at HO amps for the T5s. But Sunlight Supply is sposed to come out with a T5 VHO lamps and lightstrip soon. I would like to see that.
It seems the more we try to get away from high wattage MH bulbs, the more we drive T5s and LEDs until they use about as much power. But i think the LEDs will win. more efficient at turning watts into usable light. They just need to find a real 420 actinic LED. Then the sun will rise, and the corals will glow. And all will be fine in the artificial reef world.
Great bulbs I use 2 6 ft vho super actinics
Yup, those 420 nm VHO actinics should round out the 453 nm blue spectrum of your new LED lights.
Thats good info. it looks like the CREE Royal blue is the 453 nm blue LED. That’s the one i would use for chlorophyl B.
thats the ones i have also still have the vho’s up so hope to see good results