API Aquarium Salt is an electrolyte-rich aquarium additive that helps fish breathe easier and acclimate fast to their new surroundings. This top-quality aquarium salt provides a host of benefits to your fish and their environment, including improved gill function, color-enhancing qualities, stress reduction, disease recovery and the facilitation of osmoregulation. This product is great for a wide range of applications, including when you're starting a new aquarium or performing water changes. It can also be used to help you identify and address hard-to-target fish problems. API Aquarium Salt provides your fish with healthy levels of electrolytes required to improve the efficiency of medications and reduce harmful effects of nitrite.