Can I use a protien skimmer in brakish water?

[Deadna]

I'm planning on using my 55 g for a fiddler crab terrarium. I was wondering if I could use the protein skimmer in the water alongside a filter. I know protein skimmers don't work in freshwater, but would it work in brackish? Thanks!!

 

[Deadna]

And is it economically sound? Like, is the cost if running it really worth what it'll clean?

 

[Laser]

From what I have found a skimmer would only work in higher end brackish water of 1.016 or higher, which is nearly marine water anyway.

 

[Deadna]

Oh, so really I can't? Or can fiddler crabs function at that salinity?