i had MH's but to keep my tank at 78-79 degrees it was costing us nearly 400 dollars a month (chiller and magnetic ballast/SE bulbs) i went to t5's and the next months bill went to 200$. now my chiller doesn't come on with the t5's

"I have a couple of actinics but they only show before and after the white lights turn off."

i would run them the whole time just my .02