there is a hot and cold break. both are designed to remove the protein in the wort. get it hot, getting as much agiation in the wort and giving it a long time helps the protein combine in the bigger chunks so it will precipitate out of solution. that is the beige color deposits in the bottom of...
i would not use boiling water to poure into the keg to sanitize, because the temperature will drop quickly. if you can assure it will remain hot enough for long enough then it is acceptable, but just pouring it in and rolling i am not so sure. if it is not clean it will take even a longer time...
if there is one thing i do not cut corners it is sanitizing and cleaning. cleaning is more important then sanitizing because if it is not clean it can not be sanitized. whether you can see it or not there is a fat and protein deposit left by the beer. that deposit is an acidic deposit. so to...