Settlement of pigment to the bottom and failure to re-disperse.
CAUSES:
Insufficient stirring during storage.
Storage for long duration or under excessively warm condition.
Excessive dilution or dilution with unsuitable materials.
SOLUTION:
Store as recommended by manufacturer.
Avoid direct sunlight and long storage.
Dilute with appropriate thinners as recommended by manufacturer.
Stir paint to a homogeneous consistency.
Employ mechanical stirring for heavy settling. Settling
Settlement of pigment to the bottom and failure to re-disperse.
CAUSES:
Insufficient stirring during storage.
Storage for long duration or under excessively warm condition.
Excessive dilution or dilution with unsuitable materials.
SOLUTION:
Store as recommended by manufacturer.
Avoid direct sunlight and long storage.
Dilute with appropriate thinners as recommended by manufacturer.
Stir paint to a homogeneous consistency.
Employ mechanical stirring for heavy settling. 
