Lernex Colombo

Lernex Colombo

32,95 € tax incl.

Lernex is active against parasites.


Lernex combats worms (Gyrodactylus), gill worms (Dactylogyrus), and intestinal worms (nematodes).

The presence of these parasites can only be observed with a microscope.

Lernex is also effective against leeches (Piscicola), fish lice (Argulus) and worm anchor (Lernea). The presence of these parasites is perceptible to the naked eye.


20 g for 500 liters.


Mix the product with water from a bucket or a watering can then distribute the mixture slowly to the surface of the basin.

One pod is included in the package: 20 g for 500 liters.

If necessary, treatment may be repeated after 14 days.

At least 10 ° C Lernex is not sufficiently absorbed by the parasite.

After the addition of Lernex, the activity of the parasites will intensify at first.

This product irritates the fish that will agitate in the water even jumping out of the basin. Carefully monitor your fish during and after treatment.

Lernex can be harmful to invertebrates such as snails and crustaceans.

Do not filter with charcoal or zeolite.

UV lamps and ozone equipment must be disconnected up to 1 week after treatment.


Keep out of reach of children and pets.

Do not inhale, do not ingest: Wash hands after use.

Avoid all contact with skin and eyes.

If swallowed, seek medical advice immediately and show this container or label.


Between the use of Lernex and Alparex to wait at least 2 weeks.

The effect of a combination with other products is not known.


400 g to treat 10000 liters.

800 g to treat 20000 liters.

2000 g to process 50000 liters.


Store at room temperature between 4 and 32 ° C

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