Thanks Matt,
I forgot to mention that I had done a water change on monday and the cory was starting to look sick on wednesday. I will get the water tested at my aquarium tonight but last time i checked amonia nitrate etc were all nil so I really dont know. but have looked at him this morning and ...

I have a sick spotted cory. ph is 7-7.2 I have 4 danios 5 guppies and 3 neon tetra. I have live plants and temp 24 degrees c have had the tank for two years cory for 6-8 months recently had internal parasite problems with danios (bad batch from pet store) medicated tank with product starting with O ...