Yeah I found out about the pet store feeders woke up to my whole 75 gallon covered in ich, everyone itching and 18 out of 40 dead stuck to filter intake looked at them and saw the white spots, all the ones in my 55 have been pre treated for any disease before i put them in there probably about 15 in the 55 gallon and I had no idea teugelsi got to around 30 inches i was told around 16 inches so thats good to know, glad I'm getting a 150 this weekend to set up for them