aquaman30k Posted June 11, 2007 Share Posted June 11, 2007 I have been looking at replacing my 2 400w MH's with 8-60" T5's and was wondering if there was a way to get more lights onto a single ballast. Im looking at the WH7 and IC660 which supply 220 and 440 watts of power. The WH7 will run 2 T5's per ballast no problem but the IC660 says it will only run 3 bulbs and by my calculations a 440w ballast should run 5 T5's 80watt bulbs no poroblem. Shouldn't I be able to run 5 T5's off the IC instead of just 3 and is the IC worth double the price of the WH7? Thanks, Josh Quote Link to comment Share on other sites More sharing options...
wanareef Posted August 1, 2007 Share Posted August 1, 2007 If it were me, I'd go with the WH7's - It'll only light up to 220w but when I got them they were just $28 ea. The wiring is a bit different on the WH as you will have four "power" wires (red) and a return/common (yellow) and the normal black and white for the wall. Each red wire is 55w's. So for a 110w you'll wire up two reds on one end for each of the tubes and the yellow will be on the opposite end. GL on whatever you get - less $ spent means more coral for the tank, heh heh Quote Link to comment Share on other sites More sharing options...
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