porpoiseaquatics Active Member Market Messages 2,789 Reaction score 3 Location Johns Creek GA May 9, 2010 #1 I don't know if the bulb went out or if the ballast went out so I'm looking for an old 9w UV bulb to put in my Coralife UV for ballast testing.
I don't know if the bulb went out or if the ballast went out so I'm looking for an old 9w UV bulb to put in my Coralife UV for ballast testing.