Mardel CopperSafe safely medicates fish
suffering from ich (small white spots), velvet (yellow-white spots, loss of
color), and other external parasites (visible spots, worms, rapid breathing,
extra mucous). For salt and freshwater.
Use 5 mL for 4 gallons of water. Treats water for 1 month.
Remove invertebrates from tank. Maintain normal filtration and aeration. May be
harmful to plants and some snails.