Here are some more great videos, one in the UAE feeding the commercial size (same product just larger)
http://www.youtube.com/watch?v=sTfdXlEL5yM
Some great close up shots
The above photos are quite relevant as it shows close up no particle break off of any significant amount or water clouding
Another great video here
http://www.youtube.com/watch?v=f74wwin1Wug
http://www.youtube.com/watch?v=ZB-Iw...eature=related