Mardel Bactershield - 4 oz

Bactershield by Mardel is an herbal treatment that relieves bacterial and fungal infections. This bio-adhesive supplement strengthens and rebuilds the fish’s slime coat, which is their first line of defense against infections. Bactershield contains natural oils and extracts that keep your fish healthy and happy. Safe for all freshwater fish, saltwater fish, invertebrates, plants, and reef life. 4oz treats 590 gallons.