Hi @creg, Nice tank. Its always good to have dimming capability. That said, you can always add more floating plants if its too bright and you're getting algae issues. Another thing you can do is to put a strip of black waterproof electrical tape over some of the LEDs. You don't need to rush out and replace your light.Hi, I currently have a twinstar 60b on my low tech set up and was thinking of upgrading to the twinstar e series with a dimmer