Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
The colloid is in water (as made), with only residual chemicals left from manufacture. It is not stabilised, the charge on the particles keep them in suspension. The weight of larger particles is too much for the charge and eventually these sink out of solution. Colloids that have settled in this way can be resuspended by inversion.
