Skimmer question

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pearsont74

Aquarium Advice FINatic
Joined
Jan 12, 2005
Messages
603
Location
St Petersburg Fl
Will a skimmer run with just plain water...no salt...I want to fill up the tank and play with how I want to set it up in the garage before I more it into the house...and dont know if the skimmer will work without saltwater
I have a ETSS Reef devil
 
Nope. freshwater lacks the proper specific gravity for foam fractionation (skimming) to work effectively.

And with an empty tank, you won't have any DOC's to skim out.

As far as hooking it up and running it, yes it'll run in freshwater and won't be damaged...it just simply won't skim anything out of the water. And skimmers have to run for about a week before they start skimming in a consistent fashion anyways.
 
No, though it could shorten the life of the pump. Pumps are meant to be run continuously. But otherwise, no it doesn't harm the skimmer itself.
 
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