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High levels of TIN in my tank

Dr. Jim

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No. I believe I traced my issue to a rusting float switch in my RO/DI storage tank. I'm waiting on my latest RO/DI water test to confirm that the float switch was my issue.
Ken,

Is tin the only metal that was elevated? I have been under the impression that if tin is coming from a corroding metal then other metals should be elevated (because the metal that is corroding would not be pure tin).

I will be receiving my final ICP test (out of 25+ tests) in a day or two. This should confirm my source of tin. (It is definitely from a plastic, but I will comment more on this after my results come in).
 

KenO

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Ken,

Is tin the only metal that was elevated? I have been under the impression that if tin is coming from a corroding metal then other metals should be elevated (because the metal that is corroding would not be pure tin).

I will be receiving my final ICP test (out of 25+ tests) in a day or two. This should confirm my source of tin. (It is definitely from a plastic, but I will comment more on this after my results come in).
Tin was the only metal detected in my RO/DI water. Yes you are correct that normally iron and zinc are seen when you have something rusting. In this case it was a magnet that was rusting. I've seen other threads with rusting float switches in RO/DI containers only showed elevated tin levels.
My ATI water test is out for delivery, so hopefully it gets to ATI today and gets on the next shipment to Germany. Hoping I will get results next week.
 

KenO

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I also sent in a water sample for my 60 cube which had a level of 175ug/l on the last test. I added the Panta Rhei Panta Lith product today. I will do a few rounds of it and then send in another water sample to see if the levels have gone down. Since the Panta Rhei Panta Lith is suppose to bind to the metals and get removed via filtration, I also added a DIY coral snow. It's made from calcium carbonate and RO/DI water. It is a flocculant so I'm hoping it will help bind with the Panta Rhei Panta Lith product to help remove it from the water as it passes through my filtration.
 

Dr. Jim

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I also sent in a water sample for my 60 cube which had a level of 175ug/l on the last test. I added the Panta Rhei Panta Lith product today. I will do a few rounds of it and then send in another water sample to see if the levels have gone down. Since the Panta Rhei Panta Lith is suppose to bind to the metals and get removed via filtration, I also added a DIY coral snow. It's made from calcium carbonate and RO/DI water. It is a flocculant so I'm hoping it will help bind with the Panta Rhei Panta Lith product to help remove it from the water as it passes through my filtration.
Is your cube a Red Sea Reefer by any chance? And, how old is the tank?
 

Dr. Jim

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No. I believe it's a marine land. Not sure on the age, I bought it used.
I just got ICP results today. I will write up more details in my thread later, but briefly, I soaked the green pump return hose in RO/DI and the grey schedule 80 drain pipes in RO/DI and got these results:

-Green Tube: 1438
-Grey Pipes: 18.46
 

Dr. Jim

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Dr. Jim, when you say 'green tube' are you referring to the vinyl tubing that comes with Eheim pumps? Something like this: https://www.marinedepot.com/eheim-hose-12-16mm-0-50in-0-65in-10ft
That looks like the green tubing I have but it probably isn't the exact same one. The one I referred to is the green tubing that is used on the Red Sea Reefer170 that I bought last January. That one is from Eheim, as you pointed out. No way to know if they are from the same, or similar, source. I just ordered Tygon tubing which is supposed to be very inert.
But if anybody is having a tin problem and has green tubing, it might be worth testing it. (I will be writing more about this soon and post it on the "tin thread" I started 4 months ago. I first have to work on a letter to send to Red Sea).
 

Dominic Prezwanski

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Just got my results back for the rodi and zero tin..

Now I’m looking into my mixing station and power head.
I’ve been running a kamor nano powerhead.

the ONLY other thing I can think of is the pvc glue??! We speak of it but does it ever go away?
If it’s the glue should I just do an 80% water change and be gone of it?
 

Reefltx

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I got my icp results back showing tin yet again. I even tested my tab water and ro/di, both showing 0 for tin.

I’ve done nearly 100% water change and checked every piece of equipment before sending out the ICP.

Today, I decided to clean my refugium light and found some rust under the kessil gooseneck adapter!

898CFC8D-1702-4C68-A82E-F7A675C6C5EC.jpeg
 

KenO

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I got my icp results back showing tin yet again. I even tested my tab water and ro/di, both showing 0 for tin.

I’ve done nearly 100% water change and checked every piece of equipment before sending out the ICP.

Today, I decided to clean my refugium light and found some rust under the kessil gooseneck adapter!

898CFC8D-1702-4C68-A82E-F7A675C6C5EC.jpeg
You would think that these products would be made to not rust.
 

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