MedZyme DC Dry Concentrate 1 lb
Aqua Medzyme Dry from Aqua Meds saves your fish from deadly ulcers caused by Aeromonas and Psuedomonas. Use in early spring and late autumn as a treatment and weekly for maintenance. No need to put in refrigerator, use in water as cold as 40 degree. 1 lb can treat 125,000 gallons!