How much salt?

[DocOck]

How much salt do fiddler crabs or Halloween crabs need? If I have a tank that is half freshwater and half land can I have two dishes of salt water so they can have some exposure to salt?




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[Lillefishy]

Fiddlers & halloween crabs need brackish water, you'll need marine salt & a hydrometer or refractometer to test the salinity which should be around 1.005-1.010

 

[DocOck]

Thank you, but my question was could I have both types of water and would they be fine?


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[Lillefishy]

I would think so, as long as they have easy access to brackish water