Nan optipro 2
Anyone using Nan optipro 2 have this issue that milk clumps and does not dissolve?I tried to use spoon to stir lesser clumps but still have clumps
Anyone using Nan optipro 2 have this issue that milk clumps and does not dissolve?I tried to use spoon to stir lesser clumps but still have clumps

no such issue for me. using the same brand. your water temp ?