When to use:
A five-day course of treatment for when fish show symptoms of parasitic infection such as irritation, flicking, gasping at surface, covered in thick opaque mucus or visible white spots on the body. Use if fish show signs of a fungal infection which can appear as cotton wool-like growths on the body. Use as a preventative in early spring or when introducing new fish. Can be applied directly to leeches and lice. Can also be used if Pond Salt Plus is present in the water at ‘tonic level’.
For common frequently asked questions, click here.
Active Ingredients: Malachite Green 500 mg/100ml, Formaldehyde 4890 mg/100ml
250ml, 500ml & 1 Litre
Let us calculate your dosage for you!
To make the process of using our products even easier this handy dosage calculator tells you the amount you will need to put into your system. Please ensure you also read the instructions and warnings that are written on the bottle/pack label.
Note: This calculator does not take into account water displacement such as that caused by substrate, ornaments, water features and plants etc. Therefore, please adjust the calculated volume accordingly.
I know my system's measurements and want to:Calculate my volume
* Always follow the instructions on the label. This calculator is intended to be used only as a guide to how much product you need to buy to treat your system. It does not take account of displacement caused by gravel, rocks and ornaments etc and does not include the volume of any external filtration system. NT Laboratories Ltd. will not accept any responsibility for inaccuracies or misuse of this guide.