skimming black goo?

[Rich D]

I have no idea what this might mean, my skimmer has been skimming out pitch black stuff for the past couple days. There has to be a couple inches of the stuff in my collection cup...

All of my corals and fish seem to be unaffected by it, and it is not visible in the display tank.

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[jb61264]

Wow...what type of skimmer is that?...I guess you could say it is working well and at least it is pulling whatever that crude is out of your system

 

[Rich D]

some swc skimmer, nothing special. I think the goo might be related to our carbon, we just started putting in in this flow through bag, ive never seen it do this before though

 

[jb61264]

I haven't used carbon in a bag like that before but have heard you're supposed to rinse it out first?...did you rinse the carbon a bit before you put it in? what "brand" of carbon is it?

 

[jim.l]

I did that once when I put a bag of charcoal under my return. 1500 gal/hour was grinding it up and the skimmer was removing the dust.

 

[Rich D]

It is under my return, I have never rinsed out my charcoal before either. I used to have it wrapped in this cotton stuff but we ran out so we began using the bag. jim.l seems right. I will have to find another place where there is not so much water grinding it up