In my opinion, I would go with another brand of bulb. I have had 3 bulbs prematurely fail. And another well known reefer on this board has had at least double this amount fail within the first 3 months of use. Even people in europe running the proper ballast have problems with these bulbs.
I think both those ballasts you mentioned overdrive the bulb prematurly ageing it, but if I had to Id go with an M135 pulse start ballast.
Its too bad because I like the color of the bulb. But for me its back to Iwasakis with a bunch of VHO actinics.
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