its a black rock new zealand draught its been down 10 days and the original sg was 1050 used safale s04 yeast and added an extra 500g unhopped malt and the yeast was pitched at 23 degrees have been keeping the wort in water and trying to keep temperature down been away a couple days and was going to add finnings tommorrow night so checked and when i turned tap to get a sample got bit white blobs come thru and sg is only down to about 1020 so have given it a good stir and recapped it to see if it will work anymore but really worried about big white blobs in it................................................HELP PLEASE ?????????