03-07-2007, 01:26 PM
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Strange light sizes?
I have a 4' FOWLR tank with a luminaire with 4x30W T5 white fluorescent bulbs, measuring 850mm/33.5" each and they are very slim looking.
Taking a rough measurement of their length, I went to buy an actinic blue t5 from my LFS and got the only 30W one they or anyone else seems to have. The length is 900mm/36", and also much thicker than the current tubes, so will not fit the connections of my luminaire. I will shortly be taking the tube back!
After looking online I found t5 bulbs of the correct length (850mm) but the incorrect wattage - they were 39W. I couldn't find any 30W, 850mm t5 tubes anywhere. I assume I can't put in a blub of the incorrect wattage. The bulbs I have in there already are made by "SunSun" but they have no website I can find, or any products of the type I need.
Does anyone know of somewhere I can get actinic blue tubes of the right spec?