Can i use this ballast

[rpolino]

I have decided to go back to MH. I have this ballast from years ago I believe it is and M80. It was used to run a 250 DE bulb. My question is can I replace that socket with a Mogul base and run a 250w radium with this ballast?

 

[twilliard]

Yes as per http://premiumaquatics.com/articles/radium