Color combo
So pretty much limited to 4 spectrums when it comes to 18W T5 Bulbs. Got 3X 460nm Deep Blues and 1 12K White from Tru Lumen. The other two are a 420/460nm Blue and 420 Purple from Aquatic life. Corals have instantly responded as well. Seem to enjoy the light spread of the T5's....Definitely a worthwhile trade as I was getting annoyed with my LEDs!!!
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