Googled it,
1) sulfur strip
2) Barolkleen 3 ounces per gallon hot soak for one hour, rinse well
3) sodiummetabisulfite 2 grams per liter plus citric acid one gram per liter, hot soak for 30 minutes, rinse well
4) rack the beer!
not sure what they mean by sulfur strip hopefully someone else...