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  #31  
Old 12-04-2019, 07:26 PM
jacky jacky 目前離線
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I'm not sure about the appearance of the "brown algae" you described. Usually it doesn't disappear so quickly if it is "algae". Conversely, if classified as "bacteria", it can easily change quickly due to the environment.

Did they disappear after the lights were turned off?
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  #32  
Old 12-04-2019, 10:52 PM
bckey bckey 目前離線
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Yes. By the end of the day it came back again but not as bad as the previous day. My lights are running pretty low already because I had lowered them about a month ago. At their peak the whites are no higher than 60%. The uv is 70% at its highest.
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  #33  
Old 12-05-2019, 07:41 AM
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G.Alexander G.Alexander 目前離線
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Might it be Dinoflaggellate ? They do often disappear while the dark period and grow back if the lights are switched on.

G.Alexander
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  #34  
Old Yesterday, 04:29 PM
bckey bckey 目前離線
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Still no brown algae. I also am still not 2 part dosing yet but I do have the equipment to start when that day comes. My current readings are:
Salinity 1.026
Phos 0
Calcium 440
Potassium 390
Alk 7.2

Still dosing the basics as instructed and also 2 ml of K balance. My coral frags mostly look great. A couple of the older ones I had bleached. 1 was a total loss. The rest look great and healthy.
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  #35  
Old Yesterday, 04:30 PM
bckey bckey 目前離線
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And for the record this is day 17.
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  #36  
Old Yesterday, 11:24 PM
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G.Alexander G.Alexander 目前離線
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Sorry to hear about the looses, where those all Acropora corals ? Please measure the flow through your ZeoVit reactor to make sure it is not to high, do you still run the reactor with a 3 hour on / off interval ?

Which kind of carbon do you use and do you run it in a reactor or passively flown in the sump ?

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  #37  
Old Today, 12:39 AM
bckey bckey 目前離線
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Yes I still run the reactor 3 hrs on 3 hrs off. I use the korallen-zucht carbon in a media bag.
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  #38  
Old Today, 02:58 AM
jacky jacky 目前離線
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It is a pity to hear the news, maybe changing some water at this time may be good for the corals, make sure the source water is good, the salinity / temperature is consistent. (If it was me, I would try to do this)。 Try to keep NSW levels stable including potassium。 Also try to avoid nutritional fluctuations。 It is currently unknown why coral TN, we should carefully try to maintain these conditions, which is good.

Lost coral, maybe it is unhealthy coral itself, treat it as a "case"

Keep the Zeo-based plan and move on, replacing the water refresh elements in a balanced way. This should eliminate stress. When this pressure is removed, we consider switching the reactor flow again.

So is there a Dinos problem with tank?

In addition to Zeo products, are there any other products in use? And have the adsorbents been completely removed?
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