Almost all LFS will sell saltwater by the gallon, and there are a few places online where you can buy saltwater directly from the ocean. The other option is to treat tap water with either chemicals or an RO filter and then mix your own salt.
because saltwater fish must be live in saltwater
In saltwater. In saltwater.
The saltwater crocodile likes saltwater.
Saltwater is a solution because you can get fresh water and some salt and mix it and then you get saltwater.
It depends on the salinity of the saltwater, but in general, no, eggs will float in saltwater.
No. There are no saltwater rivers, but some river deltasare saltwater systems where they meet the ocean (or other saltwater body).
SALTWATER
saltwater
SaltWater
saltwater
saltwater
It is saltwater.