Aquarium Salt by API $3.29 16 oz - $3.29 33 oz - $5.99 65 oz - $8.99 Size 16 oz 33 oz 65 oz 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity We are currently experiencing temporary outages for select pet products due to vendor shortages out of our control. We may contact you after placing your order to make substitutions or to update you on your order. We apologize for any inconvenience this may cause you. Add to cart Promotes healthy gill function. Helps to reduce stress. Reduces electrolyte loss. Used to improve the efficiency of medications. Reduce the harmful effects of nitrite.