Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (http://www.tropicalfishkeeping.com/)
-   Beginner Saltwater Aquariums (http://www.tropicalfishkeeping.com/beginner-saltwater-aquariums/)
-   -   4 or 6 bulb fixture for 40 gallon (http://www.tropicalfishkeeping.com/beginner-saltwater-aquariums/4-6-bulb-fixture-40-gallon-95897/)

bigfish93 03-11-2012 10:45 PM

4 or 6 bulb fixture for 40 gallon
 
I am setting up a 40 gallon, 36"x18"x16", reef tank. I am going to keep soft corals and LPS along with a few fish. Do you guys recommend I get a 4 bulb T5 fixture (156w), or a 6 bulb fixture (234w)? My only concern with the 6 bulb fixture is that I may have too much light. Not sure if that is possible as I have read mixed opinions about the topic.

kangy 03-12-2012 11:11 AM

Same tank I have, you should be fine with the 4 bulb if all you wanted to keep is soft and LPS, the tank is pretty shallow, would probably be pushing it if you wanted to try your hand at some SPS though. I have the 6 bulb fixture and keep a mixed soft/LPS/SPS without issue.

kangy 03-12-2012 11:13 AM

One other thing to note is the Tek Light fixture I have has two switches, one for the two outside bulbs and one for the 4 inside bulbs. You could always just start with that fixture (not "that much" more money) and if you are worried about too much light run only the middle 4 bulbs, that way you always have the option of "enabling" the other 2 lights in the future.

Reefing Madness 03-12-2012 12:00 PM

4 lamp unit is sufficient. 2 being white light and 2 being actinic for color rendering. 6 lamp unit if you plan on getting SPS.


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