It is interesting how divided people are on using these. After researching it a little more I found a lot of people who love to use them and chemists that say they are safe. I also ran into an equal (but more passionate) number who would never use them and feel use of them could be adding more carcinogens into the mix.
I ended up using these for primary, but will probably switch to buckets for the secondary. If I dont post back with results you can assume the bottle got me