Currently have the Deep Blue Solar Extreme T5 - 48" Light and it is running a little over a year now. Problem I am having now with the 48" is when my "actinics only" come on the fixture makes a horrible humming sound. The actinics only are on from 7A to 8A and again 7P to 8P. I lift the fixture off the top of the tank and the humming goes away. As soon as I set it back down the humming comes back. Looking to replace this fixture. Any ideas?
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