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10/20/2017, 07:06 PM
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#1 |
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Registered Member
Join Date: Mar 2006
Location: Long Island
Posts: 998
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250 mh to much?
Is a 250 DE too much for a 18x18 cube that's 20 inch deep. For sps
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10/20/2017, 07:23 PM
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#2 |
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Registered Member
Join Date: Aug 2008
Location: Jersey Shore
Posts: 3,003
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absolutely not...if anything. probably the perfect light for SPS. i would imagine most ppl would have suggested a 250w if you asked "what size MH for 18x18x20"... that size tank with that height you would have to run either 150w HQI or a 250w ... i recommend having the light 8-10" off the water surface.... what bulb are you considering running?
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One Life One Shot Current Tank Info: 40B Mixed reef |
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10/20/2017, 07:29 PM
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#3 |
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Registered Member
Join Date: Mar 2006
Location: Long Island
Posts: 998
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I have a 20k chrome running right now going to a Phoenix 14k. I thought it was good and all my corals looks great but any new ones I put in get bleached. I start them about 5 inches off the bottom and they bleach so was just curious. I grew up using t5s mostly.
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10/21/2017, 03:14 PM
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#4 |
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Dogmatic Dinosaur
 Join Date: Feb 2004
Location: Boulder, CO
Posts: 6,256
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Your fixture has the glass on it still, right?
I have 14K Phoenix about 5-6" off the water and I can grow acropora just under the water without any issues with bleaching. |
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10/22/2017, 04:20 PM
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#5 |
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Registered Member
Join Date: Sep 2003
Location: Santa Cruz, CA
Posts: 2,307
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No, not at all. It will work great as well.
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