I use normal output actinics. cheap to run, cheap to replace, and last forever (2 years) I have had pc and VHO in the past and found both to really decrease quickly in output, but NO bulbs seem to stay the same until they quit completely. another thing I enjoy about them is I can get them anywhere in town for a reasonable price $30 each...or if I were to go all out, buy a case of the philips ones from a lighting supply company, but I haven't done that. I have actinic T5s but don't use them because I prefer the Hagen blue (470nm) versus the purple (420nm) actinics. and it just so happens that the ARC T5 super actinics I got are the purple actinics.
And that's my opinion and thoughts on your situation.
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