Hello great masters of the Reef aquarium world,
i am interested in upgrading my lighting system in a serious way and i need your advice. I would like to not have any livestock limitations in the future.
I have a 72 gallon bowfront and have been using 2 175w pendant lamps to light the reef. They are doing ok (clam and LPS's), but heating is an issue and i would like a better use of the wattage.
So, I am looking at the 4 foot:
hamilton delux protostar with 2-250 w HQI and 2-96w PC actinics. $729
Aquaspacelight 2-250w HQI and 2-24w Osram true 03 blue PC. $789
WHat is the difference? Why is the aquaspacelight more? Why is the PC wattage so low on the aquaspacelight? I have never heard of an "Osram ". Are HQI better than regular MH? Lastly, will i have heat issues with the 250's, though these fixtures have fans?
Thanks for your help,
Robbie



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