11-04-2012, 09:28 PM
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Originally Posted by Byron
You've changed the fixture, but I will still mention on the single T12/T8 (for the benefit of whomever) that this will be insufficient without specific tubes. I have a 24-inch T8 over my 29g, and I have to use Life-Glo tubes in order to keep the plants alive. The "Daylight" tubes just don't do it. ZooMed's UltraSun would also be OK, it is similar to the Life-Glo.
Chris, on your dual T5, does this have NO or HO tubes? If NO, that is roughly equivalent to T8 so at the high end of moderate light. If HO, that is very bright and you will have to keep the duration down and cover the tank surface with floating plants to avoid a tank of algae.
Sorry like I said I'am still pretty new to fluorescents, but I don't no what you mean by NO or HO. I see nothing like that on the box that the fixture came in. The fixture is a Coralife T5 Dual lamp Fixture, with 1 6700K 18 watt light, 1 18 watt colormax light.