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70 MH or 150MH

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sterling18 View Drop Down
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    Posted: March 09 2010 at 10:13pm
I've looking to light a 20H and I have a 70 MH ballast and a 150 MH ballast.  I'm planning on keeping some softies and / or a couple of LPS (bubble coral, hammer, torch, frogspawn).

Can I get the coral to thrive under the 70MH or should I step it up to the 150 MH.  I have both but was wondering if I can get away with the lower wattage.

Thoughts?

Thanks,
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Ahanix View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ahanix Quote  Post ReplyReply Direct Link To This Post Posted: March 10 2010 at 12:02am
What size of tank do you have?
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Mark Peterson View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark Peterson Quote  Post ReplyReply Direct Link To This Post Posted: March 10 2010 at 1:04am

IMO, you can get all the light you need for those coral from the 70W on a 20 gal tall tank.

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sterling18 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sterling18 Quote  Post ReplyReply Direct Link To This Post Posted: March 10 2010 at 9:43am
Originally posted by Ahanix Ahanix wrote:

What size of tank do you have?


20 gal high.
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