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Old 03-08-2014, 04:31 AM   #1
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Hammer not opening

my hammer coral is not opening, everything else is fine . parameters: CA160mg/l; NO310mg/l; PO4 0, 1mg/l; KHdKH; PH 9, 0

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Old 03-08-2014, 08:39 AM   #2
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This more than likely isn't an issue with parameters. Can you tell us more about the tank, most specifically the lighting on the system? With how white, or bleached, the hammer looks tied in with it appearing to 'reach up', it might be that it isn't getting enough light, too much light, or even simply not acclimated to the new light source.
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Old 03-08-2014, 10:23 AM   #3
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120L with T5 bulbs still, considering going led way with next round of replacement thats almost due.everything was fine, has been in this spot for a while.here is a pic of it on 5/02. I did then move it to the sandbed with no improvement, maybe u should see if we put it kind of in the middle and see what happens?

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Old 03-08-2014, 10:53 AM   #4
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How many bulbs is the unit? Is it t5 or t5ho? I think the lighting you have is close to sufficient. Your coral are def reaching to try to get more light.
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Old 03-08-2014, 01:27 PM   #5
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4x aquamedic FHO54W lights.its really just the hammer that has closed up..would the led way be better?
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Old 03-08-2014, 01:35 PM   #6
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A 4 bulb t5ho will do to keep a hammer happy. In the second picture, and even in the first, it isn't closed up. Things look just fine.
In terms of LEDs, some are better than others. They are strong and energy efficient, but some are even labeled as reef lighting then they are far from such. For most coral, 2-3 watts per led diode is what you aim for to support corals. The taotronics that can be found on eBay and Amazon are quite popular in this forum, especially due to the price. But, there shouldn't be a need to change your lighting for what you have and how it is acting at this time.
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Old 03-08-2014, 01:54 PM   #7
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If I'm not mistaken your no3 is 10mg/l, not sure what that translates to in ppm but it seems high. A water change might be the solution here.
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Old 03-08-2014, 01:59 PM   #8
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water change is due tomorrow so will test again in 2days hammer just not looking good this week and dont want to loose it
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Old 03-08-2014, 02:00 PM   #9
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I suspect once you do a water change it will perk back up.
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Old 03-08-2014, 02:20 PM   #10
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You know, you're right I didn't think about switching that number to ppm...a water change would do things good. Try to keep feedings minimal as possible to avoid high nitrates.
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