Is this ich?

[Big G]

Is one less effective than the other?

Here's a chart showing evidence indicates that Chelated coppers have less problems and can be used more widely, whereas Ionic coppers, specifically Cupramine, can be problematic with some fish.

Fish and Treatment Guidelines (with chart)

Fish and Treatment Guidelines (with chart) The following chart is a quick reference guide on what QT protocol should be used according to which type of fish you are running through QT. It will give you an idea of which methods are generally safest with certain species but is not meant to be...

www.reef2reef.com

 

[Zionas]

Thanks for the info. Chelated Copper and CP might not be available where I am. Bummer.