Introducing the new t8 led lamps from arcadia the fuss free way to upgrade your current t8 lighting to brighter and energy efficient ledr fully compatible with current t8 controllers from arcadia and comparable to t5 light output which we believe makes it the must have for upgrading to led at the fraction of the pricer with deep blue leds to provide and actinic moonlight that is ideal for freshwater of marine systems why not mix with other led lamp colours for a day and night effectr r fe