NT Labs Formaldehyde 30%

Formaldehyde 30% is effective against protozoan parasites and flukes. It is especially useful in treating flukes because of it's ability to penetrate mucus and reach the parasites that would otherwise be protected from other bath treatments.

Caution: Formaldehyde is a hazardous chemical and should be handled with great care, please read the warnings on the label carefully.
Before treating with Formalin 30%:
Remove adsorbent filter material - carbon, zeolite etc.
Switch off UV
Increase Aeration
Allow plenty of time to observe fish
Do not mix medications

Dosage
250 ml treats 17048 litres (3750 gallons)
Leave 10 days between treatments if no improvement is seen

The 2.5L version of this product is called Formalin 7

Delivery Options Available

Courier Delivery: Next Working Day Service (for in stock items)
Courier Delivery Saturday Delivery Service
Royal Mail - First & Second class: 1-3 Working Day Service

If a product is deemed to be fragile/bulky or heavy, surcharges may be added to your delivery charges at checkout.
An item will be noted as In stock when you select the product and size you require. Available items are usually in stock that day or within 1-2 working days, with the exception of some bulkier or high value items.
All delivery service times apply to stock items ordered before 1pm