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HELP - Residue at top of res near water line

post #1 of 5
Thread Starter 
Hi,

I am using an EK cylinder res for the last year or so and recently, after stopping to use Biocide and using a silver piece as an anti microbial agent I saw some residue collecting at the top near the water line in the res.

I drained the loop and tried to clean the res, but the residue would just not come off. I tried with a brush as well, but that did not work either.

The res has been clear for quite a while and this happened only in the last month.

The changes that have happened over the last month are as follows:

1. Changed water from normal Distilled to Medical Deionised water - I think this could be the main cause

2. Used a silver 5 gram piece instead of my normal biocide. The silver was polished...could this be whats causing the problem?

3. Changed tubing from clear to black masterklear tubing - could it be platisizer?

Thanks for the help guys.
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post #2 of 5
Can you clean the residue off? Tried letting it soak in soapy water, etc?

No system will be clean of contaminants, realistically that is. You've got oils from machining, chemicals from the brazing/soldering of rads, impurities from yourself, etc etc.
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post #3 of 5
Quote:
The silver was polished
This would be my guess. I'd think about raising or lowing the water level and see if a new ring forms.

If you can't get it clean, EK sells replacement tubes. I wonder if the Bitspower cylinders will thread onto EK ends?
    
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post #4 of 5
I think the silver you used wasn't a .999 or close, so it leaves some residue which after some time, was sticking to the tube.

What did you try to use to clean it off the tube?
You can try distilled viniger, or a bit of ketchup at let it sit like 10-15 minutes. But not something very strong as it can damage the cylinder.

Also I'm not sure about the Medical Deionised water you are using. Distilled should be a bit better, as its produced by steam and should kill most bacterias, while deionised is just using electricity to pull the minerals out.
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post #5 of 5
Thread Starter 
Hi,

I am using an EK cylinder res for the last year or so and recently, after stopping to use Biocide and using a silver piece as an anti microbial agent I saw some residue collecting at the top near the water line in the res.

I drained the loop and tried to clean the res, but the residue would just not come off. I tried with a brush as well, but that did not work either.

The res has been clear for quite a while and this happened only in the last month.

The changes that have happened over the last month are as follows:

1. Changed water from normal Distilled to Medical Deionised water - I think this could be the main cause

2. Used a silver 5 gram piece instead of my normal biocide. The silver was polished...could this be whats causing the problem?

3. Changed tubing from clear to black masterklear tubing - could it be platisizer?

Thanks for the help guys.

EDIT:

Here are some pics to clarify what I am trying to say:



This part was on the top first.



Then I turned the tube around and this is what has already happened in 4-5 days:



Its a sticky residue...and thats why I think it may be plasticizer.

Now back in the loop...take a look. There are bubbles forming where the sticky residue was:

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