Colombo Lernex

Colombo Lernex

Anti Fluke & Worm Treatment for Skin Flukes, Gill Flukes & Internal Parasites

Colombo Lernex is a powerful pond treatment designed to control and eliminate flukes, worms, and other macro parasites affecting koi and ornamental fish.

It is highly effective against skin flukes and gill flukes (Gyrodactylus and Dactylogyrus), as well as visible parasites such as fish lice (Argulus), anchor worms, leeches, and internal roundworms (nematodes).

Infested fish often show symptoms such as flashing, rubbing against surfaces, excess mucus production, and irritation due to parasite attachment on skin and gills.

Designed for Fluke & External Parasite Control

Colombo Lernex targets both microscopic and visible parasites affecting fish health.

Benefits include:

• Controls skin flukes and gill flukes
• Eliminates fish lice (Argulus)
• Treats anchor worms and leeches
• Reduces parasite attachment on fish body
• Helps restore normal fish behaviour

Effective Against Macro Parasites

Lernex works against larger parasites that can be seen with the naked eye.

Benefits include:

• Removes visible external parasites
• Controls anchor worms on fish skin
• Treats leech infestations
• Reduces irritation and flashing behaviour
• Supports parasite-free pond conditions

Supports Fish Comfort & Recovery

Helps reduce stress and irritation caused by parasite infestation.

Benefits include:

• Reduces rubbing and flashing
• Helps control excess slime production
• Improves fish comfort
• Supports healing of damaged skin
• Restores normal activity levels

Internal Worm Control Support

Colombo Lernex is also effective against internal parasites such as roundworms.

Benefits include:

• Targets internal nematodes (roundworms)
• Supports digestive system health
• Reduces internal parasite load
• Improves fish vitality
• Supports overall immune balance

Fluke Lifecycle Control Action

Skin and gill flukes reproduce quickly and often require repeat treatment.

Benefits include:

• Breaks parasite life cycle
• Targets adult flukes effectively
• Supports second-stage treatment success
• Reduces reinfection risk
• Improves long-term pond health

Easy Application Treatment Plan

Colombo Lernex is simple to use and suitable for controlled dosing.

Benefits include:

• Easy single-dose treatment
• Repeat after 14 days if required
• Suitable for koi and ornamental ponds
• Works in all pond systems
• Reliable parasite control support

Dosage Instructions

• 20g per 500 litres of pond water

If required, repeat treatment after 14 days.

Ensure proper pond aeration during treatment.

Safety Information

• Use only as directed
• Ensure good aeration during treatment
• Avoid overdosing
• Keep out of reach of children
• Avoid direct contact with eyes and skin

Key Benefits

• Treats skin and gill flukes
• Controls fish lice and anchor worms
• Eliminates leeches
• Targets internal roundworms
• Reduces flashing and irritation
• Supports fish recovery
• Breaks parasite life cycle
• Suitable for koi ponds

Ideal For

• Koi ponds
• Ornamental fish ponds
• Fluke infestations
• Worm and parasite outbreaks
• External parasite control
• Professional pond maintenance