Startup mechanism and thermal sensing are lacking. Its been a long time since I compared myself the exact breakdown, but I do remember the output on WH ballasts to be lower, and the longevity of the bulbs to be not as good. Perhaps Grim would be the better one to ask.
Perhaps Aquatinics could offer an upgrade w/ the better ballasts???
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"If at first, the idea is not absurd, then there is no hope for it"
-Al Einstein
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