How much salt per gallon of water for saltwater aquarium?
If you're wondering exactly how much salt per gallon of water for saltwater aquarium setups you need, the quick answer most hobbyists rely on is 1/2 cup of marine salt mix for every one gallon of fresh water. While that's a solid starting point that gets you in the ballpark, it's rarely the final step if you want your fish and corals to actually thrive. Setting up a marine tank isn't quite as simple as stirring sugar into coffee; there's a bit of science—and a fair amount of patience—involved in getting that salinity just right. ...