Kusuri – Formalin & Malachite Mix

Code: MD918, MD919, MD9191

Kusuri Formalin & Malachite Mix (FMC Pre-Mix) is a ready-mixed pond treatment formulated to target White Spot and common protozoan parasites including Costia, Trichodina and Chilodonella. Designed for whole‑pond application following confirmed diagnosis.

Price range: £19.95 through £43.95

Bottle Size

Clear

Product Description

When protozoan parasites are confirmed, a combined treatment simplifies dosing and whole‑pond application. Kusuri Formalin & Malachite Mix (FMC Pre-Mix) is a ready-mixed solution designed for pond-wide parasite control.

It is formulated to treat common protozoan parasites including:

White Spot (Ich)
Costia
Trichodina
Chilodonella

Accurate diagnosis via scrape and microscope is strongly recommended before treatment.

Kusuri 30% Formalin and Malachite Premix is a ready to use full strength formulation, popular as a pond-wide anti-parasite treatment. It is particularly good for White Spot, Skin Flukes, Chilodonella, Oodinium and most Protozoan Parasites.

Do not use below 12.5°C (54.5°F).

Please ensure that you read, understand and follow all Health and Safety guidelines on the bottle.

250ml treats 11,365 litres (2,500 gallons)
500ml treats 22,730 litres (5,000 gallons)
1 litre treats 45,460 litres (10,000 gallons)

Delivery Details

Delivery Charges
We offer two simple delivery options:

Free shipping on all orders over £75
Flat rate of £3.95 for lighter parcels on orders under £75
Flat rate of £5.50 for heavier parcels on orders under £75

All deliveries are sent via Royal Mail, ensuring reliable and trackable service.

Delivery Times
Orders are usually dispatched within 1–2 working days. Once shipped, Royal Mail typically delivers within 2–4 working days. Please note that during peak times or in the event of postal delays, delivery may take slightly longer.

Delivery Locations
We currently ship to UK addresses only, including mainland UK and Northern Ireland.

Read full shipping policy.

Questions?

We’re here to help. If you have any questions about your delivery, email us at mskoiltd@outlook.com and our customer service team will be happy to assist.