Hello all! I just have a quick question is an air pump necessary? I have a tank just like this http://www.walmart.com/ip/Hawkeye-3-...-Pets/13448744. I had to leave for three days, and while I was away he contracted both fin rot and the Ich. So as part of his healing process I was doing a daily 100% water change and noticed that the air out end of the tube was slightly purple, so I decided just to take out the air pump entirely. He seams to be enjoying the extra space and the new calm water. I wonder if the purple colouration was what caused him to get Ich so quickly.
Hmm that's odd. If you have an extra bowl or kitchen container kicking around (rinse well to make sure there is no soap residue) test the pump out in there. If you have new airline tubing use that. See if it appears again - and see if there is any color, reside, smell, sound, etc that appears in a few days.