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Re: Lights....

Rex: " Ok, so I went with the 2 x 55 watt kit on my 55 gallon tank.  It's a
lot brighter than the 4 x 40 bulbs I had on there in shop lights.  I love
the amount of light.  So now the next question is do I dare step up to
another 2 x 55 kit?  Is there anyone running a 4 x 55 watt AH Supply setup
on a 55 gallon tank?"

Just because you have them doesn't mean you have to run them all the time.
Each ballast can be on its own timer. You might try running the extra set of
lamps on a short (say 2 hours) noontime cycle. Then, as all the lamps age,
extend that noontime so that the total number of lumens per day is