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Protect your fish from harmful external parasites with a treatment trusted by aquarists worldwide. Designed for both freshwater and marine aquariums, Seachem Laboratories Cupramine Copper Treatment 3.4-oz provides a powerful yet safe solution for eradicating Oodinium, Cryptocaryon, Ichthyophthirius, Amyloodinium, and other ectoparasites. Seachem Cupramine stands out among the best aquarium water treatments for its effectiveness and safety profile. Its advanced copper formulation ensures reliable parasite control without compromising water quality or fish health.
Copper-based parasite treatment
Liquid solution
Treats external parasites in freshwater and marine fish
Easily removed with carbon or Cuprisorb™

Cupramine is the best copper treatment I've used for dealing with parasites. It’s safe and effective.
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