Do you leave skimmer on with Cupramine?

The skimmer will only remove copper in proportion to the amount of liquid collected - so it is minimal. If you remove a cup of skimmate from a 50 gallon tank, you'll remove 1/800 of the copper dose. I've routinely used skimmers on FO tanks with copper and never had any issues.

Bill
 
The skimmer will only remove copper in proportion to the amount of liquid collected - so it is minimal. If you remove a cup of skimmate from a 50 gallon tank, you'll remove 1/800 of the copper dose. I've routinely used skimmers on FO tanks with copper and never had any issues.

Bill

Agreed.
 
Thank you for all the reply! Im actually treating my 500 gallon FOWLR. I quarantine all my fish at least 6 weeks before introducing them on the display but still had ich issue. Since its a FOWLR I decided to do treatment on the display. I know the live rocks would absorb a lot of Cupramine but Im not sure about the skimmer. I leave it off for an hour when adjusting dose then turn back on again.
Im using both Salifert and Seachem for testing copper level. I take the 20 minutes reading on the Salifert. Any advice is appreciated.
 
Thank you for all the reply! Im actually treating my 500 gallon FOWLR. I quarantine all my fish at least 6 weeks before introducing them on the display but still had ich issue. Since its a FOWLR I decided to do treatment on the display. I know the live rocks would absorb a lot of Cupramine but Im not sure about the skimmer. I leave it off for an hour when adjusting dose then turn back on again.
Im using both Salifert and Seachem for testing copper level. I take the 20 minutes reading on the Salifert. Any advice is appreciated.
Cupramine has such a wide range between 'effective" and "deadly to fish", that you have a little room for error with the testing. But, because of the LR, you never really know how much copper is in the water column, so frequent testing is needed. I really prefer the SeaChem test kit; its made by the same mfg as the Cupramine and that seems to make sense to me. Cupramine won't kill much of your bio-filter, but every invert in the tank will go, so keep an eye on ammonia. Although I don't think you'll have a problem in a large tank. SeaChem has great tech support, use them. Here's some good poop on Cupramine from their improved web site: http://www.seachem.com/support/FAQs/Cupramine.html
 
Thank you for all the reply! Im actually treating my 500 gallon FOWLR. I quarantine all my fish at least 6 weeks before introducing them on the display but still had ich issue. Since its a FOWLR I decided to do treatment on the display. I know the live rocks would absorb a lot of Cupramine but Im not sure about the skimmer. I leave it off for an hour when adjusting dose then turn back on again.
Im using both Salifert and Seachem for testing copper level. I take the 20 minutes reading on the Salifert. Any advice is appreciated.
I have a 400 fowlr system that I treated with cupramine and it was a pain it took me a week to get a constant .5 and yes I did leave my skimmer off I had a slight ammonia spike but went away in a few days and the blue legs I forget to get out lived through the whole treatment. I used 5 100ml bottles to maintain .5 .

Even the shrimps in my sump lived. After the 4 week treatment everything look good and after removing the copper which took 2 weeks and lots of water changes the ich came back with no new additions of any kind.

So long story short I went on to do this process 2 more times and to no avail ich kept coming back.My belief is that that the live rock can protect them from the cupramine longer the 4 week period and you have to go longer to eradicate it.

I finally had enough so went the hypo way and have been ich free every since.

Yes I was also in constant contact with Seachem about this even had a few mishaps with the testing kit to where the reading was off and had over 1.0 parts copper in tanks at times, do not want to go into further detail .

But seachem will be changing the wording on the test kits in the near future So imo in a fowlr system I would do hypo again over cupramine 10/10 times .I have spent a lot of time and money trying different things out , if you need help feel free to drop me a pm and we can talk.
 
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