I finally found what I was looking for. The ballast i have and the Iwasaki bulbs are the same M rating, therefore I'm good to go. Is there a lot of difference between bulb manufacturers? When making a 250W 6500K MH aren't you using the same gases?
oh wait, I know the answer will be no, and my head will hurt again hahahah I LOVE lighting lol
I woudn't worry so much if this isn't for my prize tank.
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-Wilty
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