Help! My Fish Have Ich!

[bloxplayer992]

my fish have white spots! so far my neon tetras keep dying from it and one of my otocinclus appears to have a white spot on it's head.im extremely panicked since ive added that green super ich cure. i really dont know much about my water quality since this is my first tank and i need to know what could have been the cause, was it my lack of experience, or my LFS? my heater doesnt do much since the temperature goes up and down from 74F-76F so i cant control the temperature against the ich. i cant upload a picture since the file is too big to upload

 

[JenCliBee]

I would probably post this in the Tropical Fish Emergencies, you will get a better response in there