is it possible to delete the other containers and only mess with tc stacksize?

You can just leave all other containers on 1 which will use your server stacksizes and only adjust the tc, all container stacks are individual 

Mabel

You can just leave all other containers on 1 which will use your server stacksizes and only adjust the tc, all container stacks are individual 

works with stack modifier too?

musicah

works with stack modifier too?

Yes it does