With small print sizes like 4x5 and 8x10, drops are easier. It just adds a wee bit to the drying time
The Tween I've got doesn't seem to stay separated. A quick swirl in the shot glass coupled with magic brush does the trick
you'll notice two effects -- first, it will coat a lot faster. You'll brush a lot less. This is especially true with Platine. Second, after development, you'll see more even tones.