Tiger barbs can tolerate low levels of aquarium salt (around 1 teaspoon per 10 gallons), but regular salt use is not recommended.
Freshwater Fish: Tiger barbs are naturally adapted to freshwater, and excessive salt can stress them.
Temporary Solution: Salt may help treat some infections but does not address root causes.
Side Effects: Too much salt can damage gills, skin, and overall health.
When Might a Small Amount Be Used?
Quarantine: Short-term use in a quarantine tank for new fish to prevent parasites.
Treatment: In specific cases, such as fungal or bacterial infections, under professional guidance.
Better Alternatives
Focus on maintaining good water quality through regular changes, proper filtration, and appropriate temperature. Treat infections with proper medications after consulting a vet or experienced aquarist.
Remember: Always research your fish's specific needs before adding anything to their water.