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Pond Medic Form-a-Lite 250ml

Pond Medic Form-a-Lite 250ml

Regular price £8.65
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Introducing Form-A-LITE—an effective treatment against White Spot, Skin Flukes, Chilodenella, and most protozoan parasites.

Usage Instructions: Begin by switching off the UV sterilizer until the course of treatment is complete. Ensure the cap is tightened and the product is well mixed. Measure the appropriate dose using a clean watering can filled with pond water, adding Form-A-LITE with the provided measuring cup to achieve the correct dose. Slowly apply the solution to the pond over the course of one hour to prevent any sudden shocks to the pond ecosystem. Please note that Form-A-LITE should not be used with sturgeon, tench, or golden orfe. Additionally, do not use the product when the water temperature is below 12.5°C.

Dosage: Use 10ml per 682 liters (150 gallons) of pond water. Repeat the dose every 5-7 days, for a maximum of 3 doses.

Important Considerations:

  • Accurately calculate your pond volume; avoid guessing. 

  • Monitor your fish closely during all treatments. Avoid administering the treatment late at night, the day before your departure, or just before leaving the house.

  • Ensure proper aeration during the treatment. If necessary, use an additional air pump.

  • Maintain filtration throughout the treatment period.

  • Turn off ultraviolet filters during treatment.

  • Avoid overdosing, as it can lead to fish fatalities.

  • Do not use in conjunction with any other medications.

  • Do not use with salt.

If you have any doubts or questions, seek advice from your local dealer or reach out to the provided Helpline number.

Note: This product is intended for the treatment of ornamental pond fish only. It is strictly prohibited to allow fish treated by this chemical to enter the human or animal food chain.


  • Do not dispose of the product in drains or watercourses. Empty the container completely and dispose of it safely. Discard the empty container in a dustbin. For unused product, dispose of it at a household waste site in its original container. Contact your local authority for further details.

Health & Safety:

  • Avoid skin and eye contact. In case of contact, rinse thoroughly with plenty of water and seek immediate medical advice.

  • Do not swallow.

  • When using the product, wear suitable protective clothing and gloves.

  • Keep out of reach of children and pets.

  • Keep the bottle closed when not in use. Store between 2°C and 30°C (do not freeze).

  • The product may stain skin and clothing.

Active Ingredients:

  • Formalin 15%

  • Malachite Green 0.5%

  • Experience

    We have over 40 years of experience in the industry

  • Koi Kare


    We are koi keepers too!

    We share the same passion as our customers

  • Availability

    We are only a phone call or email away. Do not hesitate to ask us questions - we love sharing our knowledge!

  • Competitive Pricing

    We regularly review our pricing to make sure our rates are fair for our customers

Frequently Asked Questions

How Much Is Delivery?

Our delivery is free for any orders over £100.

For all orders under £100 delivery is £4.99.

How Do I Make A Return?

To start a return, you can contact us at If you have a valid return instructions will be made on how to make the return.

Please do not post a return without contacting us first.

What Is The Best Way To Contact You?

The best way to contact us is via our contact page here.

How Soon Will I Get A Refund If I Make A Return?

Refunds will be processed within 7 days of us receiving and checking the item.

Need Advice?

If you need advice or help with what products to buy, please reach out to us on our contact us page.