Specially formulated for automatic glass cover slippers, yet is also effective for manual slide preparation. Low viscosity mounting medium Compatible with aliphatic and aromatic clearing agents Set up time 24 hrs with aromatic agents 48-72 hrs with aliphatics MM 24Â is a low viscosity mounting medium that is compatible with both aliphatic (eg Sub-X) and aromatic (eg xylene) clearing agents. It is specially formulated to achieve optimum results with automatic glass coverslippers, yet is also effective for manual slide preparation. Set up time before permanent filing is normally 24 hours with aromatic agents and 48 to 72 hours with aliphatics.