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Old 03-12-2013, 04:30 PM   #1
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Coraline Algae problem

Hi There,

We have noticed that quite a bit of our purple coraline is being eaten or dying. Our LR was all purple and now it has some large patches of white. What do you think could be wrong?
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Old 03-12-2013, 04:33 PM   #2
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What lights and kH?
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Old 03-12-2013, 04:35 PM   #3
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Following. Same problem...
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Old 03-12-2013, 04:47 PM   #4
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Lighting is a 4 bulb T5 HO fixture w/ lunar LEDs. KH is 8 degrees.
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Old 03-12-2013, 05:33 PM   #5
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Could be your calcium levels as well. Think of your coraline as another coral in the tank in the way it uses calcium like sps and lps corals.
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Old 03-12-2013, 06:57 PM   #6
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Coraline is also a big user of magnesium, so maybe run a check by your lfs
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Old 03-12-2013, 11:03 PM   #7
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Your calcium level must be too low. To raise it to a proper level, there are 2 things you need to check first. Make sure your magnesium is satisfactory (within 1300 to 1500). Magnesium has a tendency to have an inverse effect with PH. Meaning higher PH will result to lower magnesium. Changing water with the right mixture will correct your PH and magnesium then you can start adding calcium formulas.
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Old 03-13-2013, 12:10 AM   #8
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Cal. is 480, don't know about Mag. - We'll have to pick up a test kit ...PH is 8.0
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Old 03-13-2013, 02:56 PM   #9
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Why not crank up your PH to 8.2 with salinity 1.025?
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Old 03-13-2013, 03:34 PM   #10
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You cal is very high, sounds like your issue is probably a inbalance between you KH and Calc. Try to lower your calc. And imo there is no need to adjust your PH.
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