I also have the same grinder but i hate it when it starts splitting. How long you ran it get such smooth batter? I run it for 20mins but still wont get a batter like you shown.
Don't buy utra wet grinder. Very poor design. Mavu allumpothu its very difficult and the entire place becomes messy. Mavu therikkuthu not good. I have been using butterfly grinder for more than 18 years when compared to it this is not a good choice