Can My Fishes Die From Ich?

[pochacco_18]

I left it untreated during beginning stages for about 5-6 days..I had no time to buy medicine. But on the weekend (today) I did and started treatment. Can fish die from ich?? Yeah I am new..hehe

 

[BigC]

If left untreated they surely will... 100% garanteed
http/edis.ifas.ufl.edu/BODY_FA006
Hope this helps you to understand more about its lifecycle.
Regards
BigC