one
Maybe the water is too cold, the water temperature is not enough, the milk powder is not completely flushed.
two
It may be that the milk powder is not stirred evenly, and it is good to use chopsticks or other mixing.
three
It may be that the water temperature of the brew is too high, resulting in a yellow precipitate like tofu residue after rinsing the milk. The main component of milk powder is protein, protein too cold is not easy to spread, overheat is easy to caking,
The first is that the milk powder has quality problems, it is inferior fake milk powder, the second is that the water for the milk powder is not boiled, the temperature is too low, the milk powder can not be fully dissolved, and the third is that the milk powder is not stirred evenly, which will make the milk powder like tofu residue.
Milk powder is insoluble like tofu residue, the reasons are as follows, the water temperature of the milk powder is generally 60 to 70 degrees water, the water temperature is too low, the milk powder is not melted, and the second is to pour water at the same time to stir evenly with chopsticks, without stirring can not be dissolved.
Third, it may not be pure milk powder, there are low quality additions, and there may be fake