on orders over $75
Mardel BacterShield provides relief from unwelcome parasites and keeps your fish happy and healthy. Bio-adhesive supplement that repairs and strengthens the fish's natural slime coat, which helps protect against bacterial and fungal infections of the fins, tail and skin.
Sentry Mardel BacterShield protects against fin and tail rot, bacterial fungus and fungus and is made from a formula of natural oils and extracts. Four ounces treats 590 gallons.