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  #76  
Old 03-17-2019, 05:07 AM
Remi010 Remi010 目前離線
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Quote:
Originally Posted by G.Alexander View Post
Not sure which kind of substrate you use, if it is some kind of a natural product try to use a algae magnet to find out if there are iron particles in the material. Additional might there be a chance that for example a screw dropped in the tank ?



G.Alexander
I dont see any iron screw with rust. The substrate is from ATI Fiji white sand.
This morning i have replace 200L of the 250L on calibrate refractometer milwaukie MA887 on 34 ppt.

I hope it is the start of a new beginning. Is of wise to start now with the 14 day cycle of zeovit ?


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  #77  
Old 03-17-2019, 06:02 AM
jacky jacky 目前離線
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Quote:
Originally Posted by Remi010 View Post
I dont see any iron screw with rust. The substrate is from ATI Fiji white sand.
This morning i have replace 200L of the 250L on calibrate refractometer milwaukie MA887 on 34 ppt.

I hope it is the start of a new beginning. Is of wise to start now with the 14 day cycle of zeovit ?


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Need to find out the problem, even if it is to replace more water (temporarily relieved).

Large doses for 14-day cycles are only available for new tanks (no animals, fish, corals) and cannot be used in the current stage

So is there a possibility inside the rock material?

What about the lamp screws? Any material that is in contact with seawater, or a ring that is not modified by the original material, or a hose that is connected to the hose, or a valve body that replaces the water, a container that replaces the water, a container for the automatic agent, and a medicinal agent that raises Mg Ca KH K formula?

Ro water, you can send ICP test to see how the report, (at least exclude this factor)
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  #78  
Old 03-17-2019, 10:23 AM
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It would have been nice if you tested the water with the same company.
Your first ICP they measured in mg and the second ug so it is hard to know because I don't understand the difference weather or not copper concentration went up or down.
You said you where dosing with spur2 which contains copper.

I have been a hoybiest a long time but only had limited success. I have lost a lot of corals as has most of the people that come on here. They post of a number of months or years and then disappear.

I would keep up the 200l bi-weekly water changes and never have to worry about testing ICP or dosing trace elements and spend money on either a good fish stock or coral foods such as Red sea energy A reef roids polyp lab polyp booster phytoplanton Fuana marin Min s. You never really talked about your fish or what you feed your corals and that could have also contributed to the TN

Heavy in heavy out
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  #79  
Old 03-17-2019, 10:47 AM
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50% water changes bi weekly check
Large fish load fed every hour check
assortment of corals foods fed every day check
look at the progression
20181017_202842
IMG_1293 2 by
20190314_150307
5 months of growth
20190317_124240 b
20190317_124216 john lukacs

I also am a of a bit of a nut when it comes to RO water I change dual filters every two months and they are chloromine carbon filters and I just replaced the main membrane two days ago after two years use
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  #80  
Old 03-20-2019, 12:39 PM
Remi010 Remi010 目前離線
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Okay guys, saturday i have change 200L of the 275L.
Salt made at 34 ppt. I hoped that my nitrate would be much lower. Unfortunately, it is still 15 ppm and po4 is 0,14. The last times I did not measure well. So it was even higher. I should have measured in the high range.

Now 4 days later and I have lost a lot of coral. I have about ten cuttings left of the full-grown reef.
Today also 3 fish died, a yellow tang, Ctenochaetus Strigosus en een Gramma loreto.

I was hoping for a fresh start, but unfortunately this is not the case



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  #81  
Old 03-20-2019, 01:57 PM
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The elevated phosphate can out right kill corals but the fish dying is strange.
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  #82  
Old 03-20-2019, 02:05 PM
Remi010 Remi010 目前離線
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Quote:
Originally Posted by Bugger View Post
The elevated phosphate can out right kill corals but the fish dying is strange.
I measure nitrite !!!!! How is that possible!?


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  #83  
Old 03-20-2019, 03:56 PM
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Sorry Remi but I don't understand. Like I said we have all killed corals especially sps. Was the water you changed the 200L heated?
Cold can kill fish but there are tidal cold spots in the wild.
0.14 phosphate is extreamly high like you posted. I once elevated my phosphate to 0.046 and expiranced a bleaching event so I stopped dosing phosphate to maintain levels and never did that nonsense again.
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  #84  
Old 03-20-2019, 07:08 PM
jacky jacky 目前離線
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I am sorry to hear this news, coral death. What are their characteristics? Does the coral spit out a trace of the characteristics after changing the water?
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  #85  
Old 03-21-2019, 01:16 AM
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G.Alexander G.Alexander 目前離線
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Hello Remi, really sorry to hear about the looses, hopefully the fragments you where able to save will make it but it might be more save to transfer them to a different system until the problems are fixed. What you describe does really sound like an kind of harmful substances, finally the high concentrations of Al, Cu,Fe, and Zn from your last ICP test is really weird.

G.Alexander
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  #86  
Old 03-21-2019, 02:20 AM
jacky jacky 目前離線
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#67, If I put my finger on the magnet, there will be some dirt falling. (Is there a picture about it? Is the protective material in contact with seawater falling off?)
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  #87  
Old 03-21-2019, 02:56 AM
jacky jacky 目前離線
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# 67,Recently, I have cleaned 3 flow pumps, took them out, and checked carefully if I found any clues.
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