158 posts · Joined 2014. #1 · Sep 16, 2021. Hi everyone, I just upgraded my 55-gallon low-tech planted tank (I use Seachem Flourish tabs but no CO2) by getting a Fluval Plant 3.0 LED fixture. I have no idea, however, how to configure the percentages of pink, blue, cold white, pure white, and warm white (see picture below).Web