Newbie here. Just received this with my Aqua Medic light (2x250 MH plus T5s). Is this some cheap Ebay Ballast (I know nice ground) or ? I have had it on my 120 for a few weeks now and seem like it works well. Lights up fast and no flicker. Should I start investing in a backup set? Should I borrow a Par meter to see what type of reedings I'm getting? Thanks