best 400w ballast

[saltwater creep]

im setting up a new tank 60x36x20 im running the sunlight supply lumenmax large reflectors im not sure what ballast to use i was thinking of the galaxy ballast but i want the most output i can get any info will be great

[jimsflies]

Curious what happened with your LED cube tank from last year? Did you take it down? How did the LEDs work out?

[saltwater creep]

i forgot all about that it worked pretty well i just got too busy to be running 4 tanks at once so i broke it down