PCV / HEMATOCRIT READER

Fill capillary tube to within 1-2 cm of top with blood by slightly tipping it to allow blood to flow down-hill into tube.?Avoid bubbles. Holding tube horizontally, press filled end into sealing putty (Crit-o-seal) to plug end. It can then be stored vertically in the Crit-o-seal tray until ready to be centrifuged. (Continue collecting the rest of the samples require for your exercises before clotting occurs.)