Oh, it stinks to have one not doing well. Does the EE have some reproductive problems?
I'm more on the SC side of the mountains, but probably about 3hrs or so from you.
The Oxine will help sanitize the water, so may help prevent spread if you think you are dealing with something contagious.
I've not used Colloidal Silver so can't say how well it will work. Some have or they use it in conjunction with an antibiotic.
The most "comprehensive" thread about...