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Marine - Anti-Parasite

Copper sulfate

Controls Parasites in Marine Aquariums 

Treats Cryptocaryon, Oodinium and other protozoan parasites in a fish only system

Why? Marine parasites such as White Spot (Cryptocaryon) and Velvet (Oodinium) can be devastating to fish in a marine aquarium.

What? This medicine contains copper, which is lethal to many marine fish parasites.

When? Use when small white spots, like grains of salt, can be seen scattered on the body of the fish (Cryptocaryon), if the fish are showing signs of irritation and rubbing on objects in the aquarium, or fish fish have a grey, velvety film all over the body.

Caution:  This product contains copper and cannot be used in a reef aquarium or where shrimps or crabs are present. Changing water between doses is not recommended except in an emergency.

Dosage: Follow the dosage instructions on the bottle label. 

View our medicinal treatment rules

Test your water using Marine Lab Test Kits.




Active Ingredients: Copper sulfate 1600 mg/100 ml, Formaldehyde 2040 mg/100 ml 

Available in the following variations:


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