It is also very convenient and economical to use. Sequester-Sol solution stabilizes the cellular constituents of blood in the same manner as lavender top vacuum tubes. You can obtain complete blood counts, as well as blood smears for staining within 48 hours after collection of the specimen from the patient without distortion of the cellular constituents. Sequester-Sol solution stabilizes most chemical constituents of blood (including cellular) until complete analysis is performed. It comes packaged in a polyethylene bottle with a dropper tip for accurate dispensing.