teg Posted November 25, 2009 Share Posted November 25, 2009 My tank is 72x21x37, it have been running on 8 T5 bulbs for years when my friend had this tank. Would the current T5 fixture be able to give enough light for anemone (I dont have any anemone yet)? I got some buttons at the bottom of the tank and they open up really good with just 1/2 of the light capacity on; so I'm not sure if metal halide would cause trouble for the zoas higher up in the thank. I'm looking to upgrade to metal halide in the future; do you guys think 2 250w bulb will do? or should I get 2 400w or 3 250w. thanks Quote Link to comment Share on other sites More sharing options...
muddybluewater Posted November 25, 2009 Share Posted November 25, 2009 Anything over 30" it is recommended to run 400w mh. You would want to have 3x400w for a 72" tank. I don't think it would be a good idea to put an anemone it this tank with only T5's. Zoas can be placed in many locations in the tank but with 400w you would probably want to stay in the bottom 2/3. Quote Link to comment Share on other sites More sharing options...
caferacermike Posted November 25, 2009 Share Posted November 25, 2009 3? I'd be running a minimum of 4 if not 5. Most uber reefers that I know that were running 220g tanks with about those dimensions but not depth were running 4x 400w. probably overkill but it worked nicely. But if all I wanted to do was to highlight one anemone or a clam I'd consider running only 1 400w halide directly over the area. That way if I'm not going ultra SPS I don't waste the energy, money and bulbs lighting an entire tank for only 1 creature. Quote Link to comment Share on other sites More sharing options...
muddybluewater Posted November 25, 2009 Share Posted November 25, 2009 guess I should have been more specific with the lights. I also like Lumenarc reflectors, they are 20" that only leaves 3" spacing with 3 400W. You could go with the Lumenarc III mini at 14.5" and use 4. Quote Link to comment Share on other sites More sharing options...
mFrame Posted November 25, 2009 Share Posted November 25, 2009 My tank is 72x21x37, it have been running on 8 T5 bulbs for years when my friend had this tank. Would the current T5 fixture be able to give enough light for anemone (I dont have any anemone yet)? I got some buttons at the bottom of the tank and they open up really good with just 1/2 of the light capacity on; so I'm not sure if metal halide would cause trouble for the zoas higher up in the thank. I'm looking to upgrade to metal halide in the future; do you guys think 2 250w bulb will do? or should I get 2 400w or 3 250w. thanks It also depends on the type of anemone and where you place it in the tank (or where it decides to live).... Quote Link to comment Share on other sites More sharing options...
Chrispar Posted November 25, 2009 Share Posted November 25, 2009 it is most definitely where it decides to plant its self Quote Link to comment Share on other sites More sharing options...
Meteorflower Posted November 25, 2009 Share Posted November 25, 2009 I'd also say 400 watt MH for a tank that deep. Quote Link to comment Share on other sites More sharing options...
teg Posted November 26, 2009 Author Share Posted November 26, 2009 Thank you everyone for your advices. Quote Link to comment Share on other sites More sharing options...
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