My bulbs are 400W. Right now I have 2 Geisemann bulbs and one Coralvue bulb (to be replaced as soon as my order gets here next week). The Coralvue is in the middle.
And thanks so much for the info. I was pretty sure it was the bulbs but as I also brought my calcium reactor online in the last month and I have never used a reactor before could not be sure.
Ruth
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