Tetra medifin is a solid treatment for most common pond fish diseases. It will have the biggest impact during the months of spring and autumn and times of fluctuating temperature, which are when fish tend to be more prone to picking up infections and diseases. Br br instructions for use br • add 50ml of medifin to every 1150 litres 250 gallons of pond water br • disease recovery can be advanced by using tetrapond aquasafe in conjunction with medifin br • treatment may be repeated after 7 to 10 days, if recovery is not complete, according to the instructions br • medifin can also be used as a preventative remedy, during sensitive times of the year such as the spring and autumn br • do not use medifin in conjunction with other pond treatments, except those in the tetrapond range. Always read the instructions carefully before use