no probs.., you could use two emitters and make one more lot of particles more transparent than the other,

im not too up on fluids as to make up something for you off the top of my head.

talk about forgetting things.., today the teacher says.., whats a 'pulldown'.., i answer.., changing to another aspect ratio., daaaa???!!!! answer is.., framerate of course!!!

it was a fusion lesson and it was full on