The type of protein you get from TP will determine how many grams of protein are in a given volume. They can tell you based on your mix.
Depending on what you believe and what you want to take; glutamine, waxy maize, bcaa, cee....all of those good things usually go in a shake immediately following your workout. Most folks wait 30-45 minutes after this to down their whey.
Easto doesn't wait as long because he doesn't have all that other stuff in there. He doesn't need to wait that long.