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  #31  
Old 10-02-2017, 11:34 PM
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G.Alexander G.Alexander 目前離線
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Thank you for the additional information and pictures. Your dosing is on the lower side but as you do not have nutrient issues it is OK.

Looks like corals are loosing tissue starting from the base. This is what I would try:

Reduce your skimmer to skim more dry
Do three water changes each 20% within 10 days

Another thing is the elevated Mg level, it might just be your test kit but my guess is high salinity. I would recommend to cross check salinity with a different accurate instrument to make sure it is not to high.

G.Alexander
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  #32  
Old 11-13-2017, 06:12 PM
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JUNJONG JUNJONG 目前離線
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Hi, Alexander
long time no see.

60 liters of water has been carried out four times and the condition of corals has improved greatly. As coral grows, potassium consumption is increasing. I am seeing coral conditions and dosing iodine and iron. It is about one or two times a week.

AAHC It seems to be algebra when dosing. I do it mainly with bak, start3, sp, zz, bm, pcs, cv.

Two t5s are scheduled to be replaced every month from this week. Thank you for your advice.

JJ


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Last edited by JUNJONG; 11-13-2017 at 06:25 PM.
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  #33  
Old 11-13-2017, 11:41 PM
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JUNJONG JUNJONG 目前離線
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Additionaly,
I set the salinity to 33.8ppt, which is 0.5ppt lower than the previous one. Magnesium is 1450.


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  #34  
Old 11-14-2017, 03:09 AM
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G.Alexander G.Alexander 目前離線
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Looking great, thank you for your update.

G.Alexander
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