Kessil

Oceanic 40gallon Sps tank.

I'll check just never made the mental comparisons in size.
You can stretch a small section of soft dosing tube over a 1/4” RO tube. I’ve done it before for different reasons. Yes you still have a small section of soft tubing, but better than the whole length if you believe it’s a source of contamination.
 
Here is a pic of my setup.
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For what it's worth, I've never had tin show up on my ICP and I'm using Red Sea brand dosing line.
 
I just re-watched a presentation from Dr. Christoph Denk / Oceamo (in German), and he confirmed that they found rather high amounts of tin in some tubing products in their tests.

They apparantly offer tests for tubing samples at relatively small amounts 12 USD, but I could not find this on their website. Still, it confirms that this is apparantly quite a common issue.
 
I just re-watched a presentation from Dr. Christoph Denk / Oceamo (in German), and he confirmed that they found rather high amounts of tin in some tubing products in their tests.

They apparantly offer tests for tubing samples at relatively small amounts 12 USD, but I could not find this on their website. Still, it confirms that this is apparantly quite a common issue.
Used to come from cheap glass in aquarium manufacturing too
 
So I finally got around to addressing some issues in the tank. With coral encroachment on others.

The red circle shows. A tri color valida acropora. It's beautiful yet I had no idea it was like a table acropora. I placed it in the center of everything and just started encroaching on all the other corals including part way fusing to the rock structure.

I was able to cut the part fused to the Rock and it all came out. In addtion to 4 other acroporas that it had fused to their frag plugs and tiles.

I was able to get them separated and used my pocket knife to scrap off the portion of the tri color that had encrusted on part of their plugs. Luckily no acroporas die considering it was touching the tissue of 5 others. They kinda just held it at bay. Hopefully the others will have more room to spread out now that they have their plugs free of this one.

*100% bad coral placement on my part*

Included above are also the first ever top down shots I ever took of this tank. I killed all the flow and return pumps to see what I was doing.

Ultimately the tri color acropora mini colony is still intact. I will likey make a few frags while preserving the colony if anyone is intrested?

I also made 2 frags of cobbs cali cali that was almost encroaching towards a bill Murray and one branch of pink Cadillac acropora also at risk of encroaching.

If your intrested in a tricolor acropora frag, a cali cali, or pink Cadillac respond below and we can make arrangements.

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Picture of the tri color removed from dead center currently leaning against back wall.
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My next great problem is gmks, and strats growing like crazy. I need to make some frags of them. These are the only zoas I have in my main tank.
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