What symptoms are your goldfish showing? They are very suseptable to disease, expecially the man made fancy varients. Some are gauranteed to get Dropsy or other horrible untreatable diseases and ailments. They are a pain in the butt. Actually they may be too much work for me!
All aquarists would enjoy the store in Gahanna
just because it's eye candy and really fun to shop. Even if you don't have a marine aquarium (yet). Don- if you're this interested in the ins and outs of a freshie tank, you could do a 20l reef tank. it's all about knowing the processes, being patient, and doing your homework.
Is clout a med for parasitic infections? I cant remember and im going to take a nap so im too lazy to google.