This should explain the contamination question the best I believe.
"By far, the best time to dry hop is after most or all fermentation had taken place. Once wort has fermented into beer, it has become a more biologically stable. For example, after fermentation is complete, beer is...
I built this IIPA with the guidance of a recipe for a Pliny clone. I changed the hops around a lot form the OG recipe. This is one of my favorites to brew and my hops headed friends LOVE it. I can't for the life of me remember the OG recipe to give credit and comparison for. In any case...
I agree 100% with this. I also agree with the gentleman about trying not to make a Pliny clone unless that's exactly what your looking for! in that case check around the forums. I'm sure there are quite a few Pliny clone recipes you can use to help guide along those lines.
As much as I...