It should be fine for snails.
Sodium chloride is a big issue to softwater fishes like Corydoras catfish and high levels of sodium chloride can affect plants. It damages kidneys and messes up the osmoregulatory system that helps control how much freshwater is in the fish's cells and body.
High levels of Calcium chloride and Magnesium chloride can cause problems to softwater fishes.
High levels of Potassium can cause problems to all fish and animals by damaging their kidneys.
Sodium chloride is a big issue to softwater fishes like Corydoras catfish and high levels of sodium chloride can affect plants. It damages kidneys and messes up the osmoregulatory system that helps control how much freshwater is in the fish's cells and body.
High levels of Calcium chloride and Magnesium chloride can cause problems to softwater fishes.
High levels of Potassium can cause problems to all fish and animals by damaging their kidneys.