Well doug whit the 250's that i ran on the aqua medic electronic ballast you saw how bright the 13 kmegachrome bulbs were the 14 k were pretty good thou. you i take it that you went back to the 45 gal cube. again i see
. I remember that when you had the 225 upyou had the 400 w radiums going with blue line ballast. you like the color there ,why not go back to it. or are you looking to stay with the 250 range... or use the 250 range with the radium