You don't have to, but a small amount of salt for freshwater tanks acts as a soothing 'tonic' for freshwater fish. Follow instructions on the package.
Freshwater fish derive small amounts of salt from their freshwater habitat. If you place a freshwater fish in saltwater, the difference in habitat will cause the fish to burst.
The amount of freshwater today is 25% be4cause there is 75% salt water.
Salt and freshwater are not nutrients.
Freshwater ecosystems contain the least amount of saltwater compared to other aquatic ecosystems, such as marine and brackish water ecosystems. Examples of freshwater ecosystems include rivers, lakes, ponds, and streams.
Yes, there is a small amount of salt in Coke.
The addition of any ionic salt (even small quantities)
Freshwater typically contains more nutrients compared to salt water. Salt water has a higher salinity level which limits the variety and amount of nutrients available. Freshwater sources like rivers and lakes tend to have a greater abundance of nutrients that support diverse aquatic life.
No Oceans are not Freshwater, they are salt water
Salt
No. Freshwater does not have the same amount of dissolved materials as sea water. Sea water has a much greater amount of salt dissolved in it.
The unrefined sea salt has a very small amount of iodine.