Hi, I am trying to make my mind about my light system for a 60 gallons tank, I was thinking in a 200 watts MH for about 12 to 14 hours and when I turn it off to turn on a 200 watts MH in the sump to grow some caulerpa for 10 hours.
Is it OK? or it will be to much. Is it OK if I use only MH without a actinic.
 TIA
 
Walter
Argentina

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