Originally Posted by desmo
By adding to the secondary do you risk removing so much yeast that you have a hard time getting the bottles to prime? ...
Not at all. I add gelatine every time to the secondary. I boil ~ 1/2 cup of water, allow it to cool down to warm; then disolve the packet of Knox gelatine.
I then pour the gelatine/water mix into the secondary prior to racking. I generally leave it in the secondary 1-2 weeks.