Hey everyone. Came accross the site this evening whilst researching online to try and found out what was wrong with one of my 3 male guppies. Sadly it looks like dropsy, and all the shops where I could have bought some medication are long shut with it being Sunday. I have isolated him in an old tank so as not to distress the other 2 and to give him a little peace if he is dying. Problem is, I didn't have a spare heater. Does anyone have any idea how long he will last without the heater? I was hoping if he makes it through until I finish work tomorrow I can treat him.....