NT Labs Malachite

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Malachite green: treatment for fungus and external parasites. Available from Swell UK External parasites such as Ichthyopthirius (White spot), Trichodina, Costia, Chilodonella, and Epistylis are frequent troublemakers in the fishpond. They live in the mucous layer of the fish and cause intense irritation as they graze on the skin cells. Infection can be recognised as the fish secrete excess mucus, thus giving them a grey slimy appearance. In White spot infection, as the name suggests, the parasite forms small white spots that resemble table salt crystals over the surface of the fish..

All these parasitoses cause intense irritation to the fish causing them to scratch against sedentary objects in the pond, flick and thrash around and even jump out of the water, as they attempt to scratch the irritation.

To treat these parasitic complaints use 10 ml of Malachite Green for every 176 UK gallons of (800 L) of pond water.

The best treatment for the diseases described above is Malachite Green used in conjunction with Formaldehyde, which enhances the effect of the Malachite Green. Use 10 ml to every 352 gallons (1600 L) of pond water when used with formaldehyde.