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The quality control of the TC420 digital LED controller has been slipping ever since 2020; it's to the point now where changes to my approach and product offerings must be made. One of the main selling points of this controller was its ability to have a full menu of preprogrammed cycle and intensity level options, giving you, the end user the ability to follow a seasonally adjusted approach which could mimic the natural cycles of any tropical or temperate biome.  I normally ship each TC420 with 4 different light cycles (11, 12, 13 and 14 hours) with 4 different intensity...