Colombo Lernex Pro

We aim for next working day delivery for most orders placed before 2:30 pm, Monday to Thursday, provided the item is in stock. For live fish, we use a specialised DX overnight courier service, available Monday to Thursday.

While the delivery itself is next day, please note that livestock orders require a minimum of 24 hours' notice before dispatch. Please be aware that all deliveries rely on third-party couriers. While we do our best to ensure timely arrival, we cannot be held liable for any delays. Someone must be present to sign for livestock deliveries.

For full details on our delivery services, including specific charges and our DOA policy for live fish, please read more about our delivery policy.

At Exclusively Koi, we offer a 28-day return policy on most items, provided they're unused and in their original packaging. Please note that livestock is non-returnable due to biosecurity reasons. If you need to start a return or have received a damaged/incorrect item, contact us at info@exclusivelykoi.co.uk.

For full details on our returns process, including information on exchanges and refunds, please refer to our returns policy.

Colombo Lernex Pro is a powerful, professional-grade treatment designed to effectively combat resistant skin and gill worms Koi fish. This advanced formula is highly effective at treating resistant skin and gill flukes, providing a reliable solution for keeping your fish healthy and parasite-free. Developed with high-quality ingredients, Colombo Lernex Pro is easy to administer and works quickly to eliminate stubborn infestations, ensuring the well-being of your fish and the overall health of your pond.

Key Features:

• Effective treatment: targets and eliminates parasites, including resistant worms (flukes), skin worm and gill worm.

• Professional-grade formula: developed using the latest scientific knowledge and high quality anthelmintics, ensuring reliable results.

• Fast-acting: quickly addresses parasite infestations, helping to restore the health of your fish and the balance of your pond.

• Easy to administer: Simple dosing instructions make it easy to treat your pond without hassle.

• Safe for fish: Formulated to be safe for koi and other pond fish when used as directed.