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  #61  
Old 03-14-2019, 02:51 PM
Remi010 Remi010 ثeu
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Some other corals having now also TN, i thought it has stopped. Its so confusing!!!!
Today i have the results of the icp test. Very high Al, Cu,Fe, and Zn!!!! Only change water with reefers best salt.
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  #62  
Old 03-14-2019, 03:39 PM
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  #63  
Old 03-14-2019, 04:50 PM
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How much water do you change at a time?
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  #64  
Old 03-14-2019, 11:54 PM
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Quote:
Originally Posted by Bugger View Post
How much water do you change at a time?
10% , read the previous messages


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  #65  
Old 03-15-2019, 03:03 AM
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Please check the pumps and other equipment if there is any kind of rust or metal having direct contact to the water. You might also try to do a ICP test for your RO water to make sure that it is not the source of the problems.

G.Alexander
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  #66  
Old 03-15-2019, 10:58 AM
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Yeah if you only do 10% you leave 90% of the bad stuff in the tank.

Like Alexander said check if there is any metal including the filter sock ring and do 3 15% changes in a week.
Personally I do 50% every two weeks and not bother with trace elements additives and focus more on Coral foods
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  #67  
Old 03-15-2019, 11:12 AM
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I doubt if I will do a water change of 200L of the 270L a clean start as i call it.

4 weeks ago I had Ro water tested and everything was 0 except Si, Silicon 78.20 g / l. Then the same filters replaced inclusions of sillicate resin.

In terms of technology, I have everything from Royal Exclusiv, I have no doubts about that. I also have 3 flow pumps that I recently cleaned and the magnets don't show much. If I put my finger along the magnet, some dirt will come off.


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  #68  
Old 03-15-2019, 02:53 PM
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Remi when you change water are you just mixing up new water in a 5 gallon bucket
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  #69  
Old 03-15-2019, 02:58 PM
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Quote:
Originally Posted by Bugger View Post
Remi when you change water are you just mixing up new water in a 5 gallon bucket
Yes, with a wavemaker for 1 hour


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  #70  
Old 03-15-2019, 03:14 PM
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That essentially does nothing. Your water changes of 10% where really like 8%. YOu need a garbage pail that will hold alot more water a do bigger water changes until then you will likely see more TN.
At this point I would change all the water and do as you say a fresh start and keep up higher water change volume
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  #71  
Old 03-15-2019, 11:30 PM
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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
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  #72  
Old 03-15-2019, 11:53 PM
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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
What kind of appearance is the algae magnet (the first time I heard this thing)
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  #73  
Old 03-16-2019, 12:14 AM
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Or brush the glass magnet brush, would it be a problem?

Some "coins" also seem to contain aluminum, copper, nickel, zinc, and elements.

Last edited by jacky; 03-16-2019 at 12:35 AM.
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  #74  
Old 03-17-2019, 12:02 AM
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Hello Jacky, in this video you can see how they work to clean the glass:

https://www.youtube.com/watch?v=ckARch2H9nQ

It is a magnet and if there are any kind of iron containing particles in the sand the magnet will pull them. I have seen this very often with crushed coral sand available over here.

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  #75  
Old 03-17-2019, 12:12 AM
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Quote:
Originally Posted by G.Alexander View Post
Hello Jacky, in this video you can see how they work to clean the glass:

https://www.youtube.com/watch?v=ckARch2H9nQ

It is a magnet and if there are any kind of iron containing particles in the sand the magnet will pull them. I have seen this very often with crushed coral sand available over here.

G.Alexander
Thank you G.Alexander, I watched the video, I understand, thank you for taking the time to find a video to help me understand
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