NT Labs Malachite

White, cotton‑like growths on fins or body are usually fungal – often Saprolegnia. NT Labs Malachite is formulated to treat fungus caused by Saprolegnia in pond fish .

It can also be used in conjunction with Formaldehyde where a combined approach is required.

Treats

• Fungus caused by Saprolegnia

Use when fish have white growths on the body, head or fins, which may contain some green or brown discolouration .

Why it’s a good choice

• Targets common pond fungus
• Suitable for whole‑pond treatment
• Can be combined with Formaldehyde where appropriate
• Available in multiple sizes to match pond volume

Safety first

Malachite is a strong treatment and must be handled carefully:

• Always read and follow the instructions on the bottle.
• Calculate pond volume accurately before dosing.
• Wear disposable gloves and appropriate eye protection.
• Switch off or bypass UV‑C during treatment unless the manufacturer states otherwise.

Good aeration during treatment is recommended.

NT Labs Koi Care Malachite Dose Rates:
– NT Labs Koi Care Malachite 250ml – Treats 20000 litres / 4400 gallons
– NT Labs Koi Care Malachite 500ml – Treats 40000 litres / 8800 gallons
– NT Labs Koi Care Malachite 1 Litre – Treats 80000 litres / 17600 gallons
– NT Labs Koi Care Malachite 2.5 Litre – Treats 200000 litres / 44000 gallons