*May exclude certain brands.
**May not be combined with any other offer.
Code expires 5/23/13
Mardel Laboratories Copper Safe Fresh Water or Salt Water.
Chelated copper treatment recommended for the treatment of ick, flukes, anchor worms, velvet, protozoan diseases and other external parasites.
For each size Use 5mL for 4 gallons of water. Treats water for 1 month.