qick cure works as well as the temp up to 87 and salt. however i had best results with the quick cure as far as curing and it never came back. i hope your fish improves best of luck. 
balton777;1810815; said:Why does everyone keep recommending temps lower than 87 degrees? It has to be a MINIMUM of 87F to kill ich. I would leave it at that for at least a week after it looks like it's cleared up.

Hawkfish3.0;1811251; said:What scientific proof do you have that requires minimum temperatures of 87 degrees to kill ich? I've cured it just fine with 85 degree water.
Check this article:
http://www.aquarticles.com/articles/management/Ranson_Ich.html
