Ich, First time Treating

[mikeyost12]

So this is my first time treating the disease Ich. I am rather green to fish keeping, and unfortunately I did not catch the disease in time for 4 of my fish as they all did not make it shortly after my first treatment.
I am using the Ick Guard Tablets from Tetra.....

I removed the filters from the filtration system and did a 25% water change today, just before I started treatment number two.

My questions are:

How do I know if the Ich has been cured? (none of my fish in the tank are showing any signs of the disease)

How long should I wait to the filters back in the filtration system?

Should I do a large water change before adding the filtration media back in? 50-70%?)

Is there any other suggestions or tips when adding media back to filtration or just in general?

thanks

 

[54seaweed]

here's a good article on ich
Freshwater Ich? Yuck! - Aquarium Advice