National Diagnostics' TTE Glycerol Tolerant Buffer (20) is a concentrated Tris-Taurine-EDTA buffer solution in distilled/deionized water. TTE (20) eliminates the band distortion associated with DNA samples in glycerol. National Diagnostics' TTE Glycerol Tolerant Buffer (20) is supplied in 1 liter bottles, containing 1.78M Tris base, 0.57M Taurine, and 10mM Na2EDTA.