Kusuri Malachite Green
Kusuri Malachite Green
Available in stock (4)
Product Details
Kusuri Malachite Green is best used with Kusuri Formalin 30% for the effective treatment of most single cell parasites including White Spot, Costia, Chilodonella, Oodinium, persistent Fungus caused by Saprolengia and Protozoan Parasites.
Do not use below 12.5°C (54.5°F).
Mixing Formalin and Malachite Green is an effective way of treating most microscopic parasites.
Please ensure that you read, understand and follow all Health and Safety guidelines on the bottle.
Please do not eat, drink or smoke whilst handling chemicals.
Wear disposable vinyl or latex gloves and appropriate eye protection.
Dosage: 50 ml per 880 gallons (4004 litres) of pond water.
Directions: Treat up to 3 times, 5-7 days apart. Switch off UV steriliser until course of treatment is complete.
If using in conjunction with Kusuri 30% Formalin, reduce dose to 25 ml per 880 gallons (4004 litres).
Fill a clean watering can with pond water, then add Kusuri Malachite Green.
Slowly apply to the pond over a 1 hour period, this will prevent shocking the pond with a highly concentrated dose.
Do not use below 12.5°C (54.5°F).
Malachite Green is safe to use with salt. If using Malachite Green with Formalin do NOT use in conjunction with salt.
Couldn't load pickup availability
Free Shipping on all drygoods orders over £50! (£350 for Livestock)
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Discover more in our FAQs
How do I cancel or edit an order?
How do I cancel or edit an order?
Unfortunately, we cannot cancel orders due to a change of mind. However, we understand that mistakes happen. If you need to edit your order information, such as the delivery address or contact number, please contact our customer service as soon as possible.
Here’s what you can do:
- Contact our customer service via email address, or Live Chat.
- Have your order number ready when contacting customer service.
- We cannot guarantee changes to orders after 24 hours of placement. This is because orders may be processed once received
How can I track my order?
How can I track my order?
You can track your order by checking the shipping confirmation email, which contains a tracking number and a link to the courier's website. Alternatively, log in to your account on our website, navigate to "My Orders," and click on the tracking link provided for your order.
What if there is a problem with my order?
What if there is a problem with my order?
If there is an issue with your order, please contact our customer service team as soon as possible. You can reach us via email, phone, or through the contact form on our website. Provide your order number and a brief description of the problem so we can assist you quickly.
I didn't receive all off my order?
I didn't receive all off my order?
If part of your order is missing, please check the shipping confirmation email to see if the items were sent separately. If all items should have arrived together or if you have concerns, contact our customer service team with your order number. We’ll investigate and resolve the issue promptly.

