copper sulfate

I had removed some remaining sulfur smells from last year's wine with a copper wire. Turns out I forgot about it. Is it still safe to bottle and drink? I know copper sulfate can be potentially dangerous, but my understanding was that by using a copper pipe or wire you avoided this danger. Is...

Hello, my first time posting here so forgive me if I miss something. Currently working with a batch of California cab sauvignon, ran into an H2S problem. Splash racked it 2 times and after fumigating the house with sulfur and letting it stand for a week did have noticeable improvement but still...