Waterlife Medizin P treats a wide range of parasite infestations such as White Spot Velvet Costia Trichodina and Cryptobia in addition to fungal infections. Medizin P can also be used as a disease preventative during Spring and Autumn. Medizin P comes with full instructions for use in different types of ponds and comes complete with a handy measuring cup to make dosing as simple as possible. It is safe with all pond fish and plants and will not damage filtration bacteria. Also available in 125ml 500ml bottles.